Home / 72,431.08-108,656.70-32,998.12

Finding the Fourth Proportional to 72,431.08, 108,656.70 and 32,998.12

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Solution

The fourth proportional to 72,431.08, 108,656.70 and 32,998.12 is: 49,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,431.08 : 108,656.70 = 32,998.12 : x
  2. Step 2: Convert to fraction form
    72,431.08/108,656.70 = 32,998.12/x
  3. Step 3: Cross multiply
    72,431.08x = 108,656.70 × 32,998.12
  4. Step 4: Simplify right side
    72,431.08x = 3,585,466,825.40
  5. Step 5: Solve for x
    x = 3,585,466,825.40/72,431.08
  6. Step 6: Final answer
    x = 49,501.77

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.