Home / 67,699.20-101,566.32-39,642.96

Finding the Fourth Proportional to 67,699.20, 101,566.32 and 39,642.96

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Solution

The fourth proportional to 67,699.20, 101,566.32 and 39,642.96 is: 59,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.20 : 101,566.32 = 39,642.96 : x
  2. Step 2: Convert to fraction form
    67,699.20/101,566.32 = 39,642.96/x
  3. Step 3: Cross multiply
    67,699.20x = 101,566.32 × 39,642.96
  4. Step 4: Simplify right side
    67,699.20x = 4,026,389,561.11
  5. Step 5: Solve for x
    x = 4,026,389,561.11/67,699.20
  6. Step 6: Final answer
    x = 59,474.70

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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.