Home / 72,207.28-108,341.70-37,171.54

Finding the Fourth Proportional to 72,207.28, 108,341.70 and 37,171.54

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Solution

The fourth proportional to 72,207.28, 108,341.70 and 37,171.54 is: 55,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,207.28 : 108,341.70 = 37,171.54 : x
  2. Step 2: Convert to fraction form
    72,207.28/108,341.70 = 37,171.54/x
  3. Step 3: Cross multiply
    72,207.28x = 108,341.70 × 37,171.54
  4. Step 4: Simplify right side
    72,207.28x = 4,027,227,835.22
  5. Step 5: Solve for x
    x = 4,027,227,835.22/72,207.28
  6. Step 6: Final answer
    x = 55,773.16

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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.