Home / 102,625.92-141,555.60-60,143.04

Finding the Fourth Proportional to 102,625.92, 141,555.60 and 60,143.04

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Solution

The fourth proportional to 102,625.92, 141,555.60 and 60,143.04 is: 82,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,625.92 : 141,555.60 = 60,143.04 : x
  2. Step 2: Convert to fraction form
    102,625.92/141,555.60 = 60,143.04/x
  3. Step 3: Cross multiply
    102,625.92x = 141,555.60 × 60,143.04
  4. Step 4: Simplify right side
    102,625.92x = 8,513,584,113.02
  5. Step 5: Solve for x
    x = 8,513,584,113.02/102,625.92
  6. Step 6: Final answer
    x = 82,957.44

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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.