Home / 87,113.13-130,706.45-47,624.12

Finding the Fourth Proportional to 87,113.13, 130,706.45 and 47,624.12

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Solution

The fourth proportional to 87,113.13, 130,706.45 and 47,624.12 is: 71,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,113.13 : 130,706.45 = 47,624.12 : x
  2. Step 2: Convert to fraction form
    87,113.13/130,706.45 = 47,624.12/x
  3. Step 3: Cross multiply
    87,113.13x = 130,706.45 × 47,624.12
  4. Step 4: Simplify right side
    87,113.13x = 6,224,778,767.92
  5. Step 5: Solve for x
    x = 6,224,778,767.92/87,113.13
  6. Step 6: Final answer
    x = 71,456.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.