Home / 64,008.04-88,265.55-42,490.20

Finding the Fourth Proportional to 64,008.04, 88,265.55 and 42,490.20

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Solution

The fourth proportional to 64,008.04, 88,265.55 and 42,490.20 is: 58,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.04 : 88,265.55 = 42,490.20 : x
  2. Step 2: Convert to fraction form
    64,008.04/88,265.55 = 42,490.20/x
  3. Step 3: Cross multiply
    64,008.04x = 88,265.55 × 42,490.20
  4. Step 4: Simplify right side
    64,008.04x = 3,750,420,872.61
  5. Step 5: Solve for x
    x = 3,750,420,872.61/64,008.04
  6. Step 6: Final answer
    x = 58,592.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.