Home / 45,398.76-62,614.83-38,706.54

Finding the Fourth Proportional to 45,398.76, 62,614.83 and 38,706.54

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Solution

The fourth proportional to 45,398.76, 62,614.83 and 38,706.54 is: 53,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.76 : 62,614.83 = 38,706.54 : x
  2. Step 2: Convert to fraction form
    45,398.76/62,614.83 = 38,706.54/x
  3. Step 3: Cross multiply
    45,398.76x = 62,614.83 × 38,706.54
  4. Step 4: Simplify right side
    45,398.76x = 2,423,603,108.91
  5. Step 5: Solve for x
    x = 2,423,603,108.91/45,398.76
  6. Step 6: Final answer
    x = 53,384.79

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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.