Home / 72,588.40-108,892.32-25,841.68

Finding the Fourth Proportional to 72,588.40, 108,892.32 and 25,841.68

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Solution

The fourth proportional to 72,588.40, 108,892.32 and 25,841.68 is: 38,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588.40 : 108,892.32 = 25,841.68 : x
  2. Step 2: Convert to fraction form
    72,588.40/108,892.32 = 25,841.68/x
  3. Step 3: Cross multiply
    72,588.40x = 108,892.32 × 25,841.68
  4. Step 4: Simplify right side
    72,588.40x = 2,813,960,487.90
  5. Step 5: Solve for x
    x = 2,813,960,487.90/72,588.40
  6. Step 6: Final answer
    x = 38,765.98

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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.