Home / 87,992.52-121,529.89-59,649.00

Finding the Fourth Proportional to 87,992.52, 121,529.89 and 59,649.00

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Solution

The fourth proportional to 87,992.52, 121,529.89 and 59,649.00 is: 82,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,992.52 : 121,529.89 = 59,649.00 : x
  2. Step 2: Convert to fraction form
    87,992.52/121,529.89 = 59,649.00/x
  3. Step 3: Cross multiply
    87,992.52x = 121,529.89 × 59,649.00
  4. Step 4: Simplify right side
    87,992.52x = 7,249,135,691.91
  5. Step 5: Solve for x
    x = 7,249,135,691.91/87,992.52
  6. Step 6: Final answer
    x = 82,383.55

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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.