Home / 87,205.04-130,579.19-57,124.66

Finding the Fourth Proportional to 87,205.04, 130,579.19 and 57,124.66

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Solution

The fourth proportional to 87,205.04, 130,579.19 and 57,124.66 is: 85,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,205.04 : 130,579.19 = 57,124.66 : x
  2. Step 2: Convert to fraction form
    87,205.04/130,579.19 = 57,124.66/x
  3. Step 3: Cross multiply
    87,205.04x = 130,579.19 × 57,124.66
  4. Step 4: Simplify right side
    87,205.04x = 7,459,291,831.83
  5. Step 5: Solve for x
    x = 7,459,291,831.83/87,205.04
  6. Step 6: Final answer
    x = 85,537.39

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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.