Home / 124,142.50-171,319.35-67,553.92

Finding the Fourth Proportional to 124,142.50, 171,319.35 and 67,553.92

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Solution

The fourth proportional to 124,142.50, 171,319.35 and 67,553.92 is: 93,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,142.50 : 171,319.35 = 67,553.92 : x
  2. Step 2: Convert to fraction form
    124,142.50/171,319.35 = 67,553.92/x
  3. Step 3: Cross multiply
    124,142.50x = 171,319.35 × 67,553.92
  4. Step 4: Simplify right side
    124,142.50x = 11,573,293,664.35
  5. Step 5: Solve for x
    x = 11,573,293,664.35/124,142.50
  6. Step 6: Final answer
    x = 93,225.88

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1.5x scale

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.