Home / 124,939.52-172,416.35-68,350.89

Finding the Fourth Proportional to 124,939.52, 172,416.35 and 68,350.89

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Solution

The fourth proportional to 124,939.52, 172,416.35 and 68,350.89 is: 94,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.52 : 172,416.35 = 68,350.89 : x
  2. Step 2: Convert to fraction form
    124,939.52/172,416.35 = 68,350.89/x
  3. Step 3: Cross multiply
    124,939.52x = 172,416.35 × 68,350.89
  4. Step 4: Simplify right side
    124,939.52x = 11,784,811,143.93
  5. Step 5: Solve for x
    x = 11,784,811,143.93/124,939.52
  6. Step 6: Final answer
    x = 94,324.13

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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.