Home / 87,851.04-121,229.64-52,044.36

Finding the Fourth Proportional to 87,851.04, 121,229.64 and 52,044.36

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Solution

The fourth proportional to 87,851.04, 121,229.64 and 52,044.36 is: 71,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,851.04 : 121,229.64 = 52,044.36 : x
  2. Step 2: Convert to fraction form
    87,851.04/121,229.64 = 52,044.36/x
  3. Step 3: Cross multiply
    87,851.04x = 121,229.64 × 52,044.36
  4. Step 4: Simplify right side
    87,851.04x = 6,309,319,026.83
  5. Step 5: Solve for x
    x = 6,309,319,026.83/87,851.04
  6. Step 6: Final answer
    x = 71,818.38

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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.