Home / 87,854.04-121,233.66-52,047.48

Finding the Fourth Proportional to 87,854.04, 121,233.66 and 52,047.48

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Solution

The fourth proportional to 87,854.04, 121,233.66 and 52,047.48 is: 71,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854.04 : 121,233.66 = 52,047.48 : x
  2. Step 2: Convert to fraction form
    87,854.04/121,233.66 = 52,047.48/x
  3. Step 3: Cross multiply
    87,854.04x = 121,233.66 × 52,047.48
  4. Step 4: Simplify right side
    87,854.04x = 6,309,906,494.18
  5. Step 5: Solve for x
    x = 6,309,906,494.18/87,854.04
  6. Step 6: Final answer
    x = 71,822.61

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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.