Home / 72,430.08-108,655.20-32,997.12

Finding the Fourth Proportional to 72,430.08, 108,655.20 and 32,997.12

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Solution

The fourth proportional to 72,430.08, 108,655.20 and 32,997.12 is: 49,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430.08 : 108,655.20 = 32,997.12 : x
  2. Step 2: Convert to fraction form
    72,430.08/108,655.20 = 32,997.12/x
  3. Step 3: Cross multiply
    72,430.08x = 108,655.20 × 32,997.12
  4. Step 4: Simplify right side
    72,430.08x = 3,585,308,673.02
  5. Step 5: Solve for x
    x = 3,585,308,673.02/72,430.08
  6. Step 6: Final answer
    x = 49,500.27

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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.