Home / 124,397.17-171,668.10-67,808.55

Finding the Fourth Proportional to 124,397.17, 171,668.10 and 67,808.55

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Solution

The fourth proportional to 124,397.17, 171,668.10 and 67,808.55 is: 93,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.17 : 171,668.10 = 67,808.55 : x
  2. Step 2: Convert to fraction form
    124,397.17/171,668.10 = 67,808.55/x
  3. Step 3: Cross multiply
    124,397.17x = 171,668.10 × 67,808.55
  4. Step 4: Simplify right side
    124,397.17x = 11,640,564,083.91
  5. Step 5: Solve for x
    x = 11,640,564,083.91/124,397.17
  6. Step 6: Final answer
    x = 93,575.80

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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.