Home / 68,988.64-103,614.18-42,875.92

Finding the Fourth Proportional to 68,988.64, 103,614.18 and 42,875.92

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Solution

The fourth proportional to 68,988.64, 103,614.18 and 42,875.92 is: 64,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.64 : 103,614.18 = 42,875.92 : x
  2. Step 2: Convert to fraction form
    68,988.64/103,614.18 = 42,875.92/x
  3. Step 3: Cross multiply
    68,988.64x = 103,614.18 × 42,875.92
  4. Step 4: Simplify right side
    68,988.64x = 4,442,553,292.55
  5. Step 5: Solve for x
    x = 4,442,553,292.55/68,988.64
  6. Step 6: Final answer
    x = 64,395.43

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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.