Home / 67,689.04-101,505.57-25,561.96

Finding the Fourth Proportional to 67,689.04, 101,505.57 and 25,561.96

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Solution

The fourth proportional to 67,689.04, 101,505.57 and 25,561.96 is: 38,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,689.04 : 101,505.57 = 25,561.96 : x
  2. Step 2: Convert to fraction form
    67,689.04/101,505.57 = 25,561.96/x
  3. Step 3: Cross multiply
    67,689.04x = 101,505.57 × 25,561.96
  4. Step 4: Simplify right side
    67,689.04x = 2,594,681,320.12
  5. Step 5: Solve for x
    x = 2,594,681,320.12/67,689.04
  6. Step 6: Final answer
    x = 38,332.37

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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.