Home / 68,864.29-95,020.72-38,650.88

Finding the Fourth Proportional to 68,864.29, 95,020.72 and 38,650.88

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Solution

The fourth proportional to 68,864.29, 95,020.72 and 38,650.88 is: 53,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.29 : 95,020.72 = 38,650.88 : x
  2. Step 2: Convert to fraction form
    68,864.29/95,020.72 = 38,650.88/x
  3. Step 3: Cross multiply
    68,864.29x = 95,020.72 × 38,650.88
  4. Step 4: Simplify right side
    68,864.29x = 3,672,634,587.16
  5. Step 5: Solve for x
    x = 3,672,634,587.16/68,864.29
  6. Step 6: Final answer
    x = 53,331.48

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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.