Home / 78,332.26-108,098.64-42,522.28

Finding the Fourth Proportional to 78,332.26, 108,098.64 and 42,522.28

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Solution

The fourth proportional to 78,332.26, 108,098.64 and 42,522.28 is: 58,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.26 : 108,098.64 = 42,522.28 : x
  2. Step 2: Convert to fraction form
    78,332.26/108,098.64 = 42,522.28/x
  3. Step 3: Cross multiply
    78,332.26x = 108,098.64 × 42,522.28
  4. Step 4: Simplify right side
    78,332.26x = 4,596,600,637.70
  5. Step 5: Solve for x
    x = 4,596,600,637.70/78,332.26
  6. Step 6: Final answer
    x = 58,680.81

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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.