Home / 59,902.20-89,853.30-42,406.20

Finding the Fourth Proportional to 59,902.20, 89,853.30 and 42,406.20

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Solution

The fourth proportional to 59,902.20, 89,853.30 and 42,406.20 is: 63,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,902.20 : 89,853.30 = 42,406.20 : x
  2. Step 2: Convert to fraction form
    59,902.20/89,853.30 = 42,406.20/x
  3. Step 3: Cross multiply
    59,902.20x = 89,853.30 × 42,406.20
  4. Step 4: Simplify right side
    59,902.20x = 3,810,337,010.46
  5. Step 5: Solve for x
    x = 3,810,337,010.46/59,902.20
  6. Step 6: Final answer
    x = 63,609.30

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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.