Home / 124,816.50-172,247.85-68,227.92

Finding the Fourth Proportional to 124,816.50, 172,247.85 and 68,227.92

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Solution

The fourth proportional to 124,816.50, 172,247.85 and 68,227.92 is: 94,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816.50 : 172,247.85 = 68,227.92 : x
  2. Step 2: Convert to fraction form
    124,816.50/172,247.85 = 68,227.92/x
  3. Step 3: Cross multiply
    124,816.50x = 172,247.85 × 68,227.92
  4. Step 4: Simplify right side
    124,816.50x = 11,752,112,529.97
  5. Step 5: Solve for x
    x = 11,752,112,529.97/124,816.50
  6. Step 6: Final answer
    x = 94,155.12

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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.