Home / 45,456.17-62,728.09-25,312.61

Finding the Fourth Proportional to 45,456.17, 62,728.09 and 25,312.61

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Solution

The fourth proportional to 45,456.17, 62,728.09 and 25,312.61 is: 34,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.17 : 62,728.09 = 25,312.61 : x
  2. Step 2: Convert to fraction form
    45,456.17/62,728.09 = 25,312.61/x
  3. Step 3: Cross multiply
    45,456.17x = 62,728.09 × 25,312.61
  4. Step 4: Simplify right side
    45,456.17x = 1,587,811,771.75
  5. Step 5: Solve for x
    x = 1,587,811,771.75/45,456.17
  6. Step 6: Final answer
    x = 34,930.61

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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.