Home / 124,451.57-171,742.85-67,862.95

Finding the Fourth Proportional to 124,451.57, 171,742.85 and 67,862.95

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Solution

The fourth proportional to 124,451.57, 171,742.85 and 67,862.95 is: 93,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,451.57 : 171,742.85 = 67,862.95 : x
  2. Step 2: Convert to fraction form
    124,451.57/171,742.85 = 67,862.95/x
  3. Step 3: Cross multiply
    124,451.57x = 171,742.85 × 67,862.95
  4. Step 4: Simplify right side
    124,451.57x = 11,654,975,583.69
  5. Step 5: Solve for x
    x = 11,654,975,583.69/124,451.57
  6. Step 6: Final answer
    x = 93,650.69

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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.