Home / 87,042.80-130,564.20-24,705.20

Finding the Fourth Proportional to 87,042.80, 130,564.20 and 24,705.20

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Solution

The fourth proportional to 87,042.80, 130,564.20 and 24,705.20 is: 37,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,042.80 : 130,564.20 = 24,705.20 : x
  2. Step 2: Convert to fraction form
    87,042.80/130,564.20 = 24,705.20/x
  3. Step 3: Cross multiply
    87,042.80x = 130,564.20 × 24,705.20
  4. Step 4: Simplify right side
    87,042.80x = 3,225,614,673.84
  5. Step 5: Solve for x
    x = 3,225,614,673.84/87,042.80
  6. Step 6: Final answer
    x = 37,057.80

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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.