Home / 124,505.28-171,814.50-67,918.68

Finding the Fourth Proportional to 124,505.28, 171,814.50 and 67,918.68

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Solution

The fourth proportional to 124,505.28, 171,814.50 and 67,918.68 is: 93,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,505.28 : 171,814.50 = 67,918.68 : x
  2. Step 2: Convert to fraction form
    124,505.28/171,814.50 = 67,918.68/x
  3. Step 3: Cross multiply
    124,505.28x = 171,814.50 × 67,918.68
  4. Step 4: Simplify right side
    124,505.28x = 11,669,414,044.86
  5. Step 5: Solve for x
    x = 11,669,414,044.86/124,505.28
  6. Step 6: Final answer
    x = 93,726.26

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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.