Home / 67,689.20-101,551.32-39,632.96

Finding the Fourth Proportional to 67,689.20, 101,551.32 and 39,632.96

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Solution

The fourth proportional to 67,689.20, 101,551.32 and 39,632.96 is: 59,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,689.20 : 101,551.32 = 39,632.96 : x
  2. Step 2: Convert to fraction form
    67,689.20/101,551.32 = 39,632.96/x
  3. Step 3: Cross multiply
    67,689.20x = 101,551.32 × 39,632.96
  4. Step 4: Simplify right side
    67,689.20x = 4,024,779,403.51
  5. Step 5: Solve for x
    x = 4,024,779,403.51/67,689.20
  6. Step 6: Final answer
    x = 59,459.70

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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.