Home / 87,864.79-121,248.61-52,058.11

Finding the Fourth Proportional to 87,864.79, 121,248.61 and 52,058.11

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Solution

The fourth proportional to 87,864.79, 121,248.61 and 52,058.11 is: 71,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.79 : 121,248.61 = 52,058.11 : x
  2. Step 2: Convert to fraction form
    87,864.79/121,248.61 = 52,058.11/x
  3. Step 3: Cross multiply
    87,864.79x = 121,248.61 × 52,058.11
  4. Step 4: Simplify right side
    87,864.79x = 6,311,973,476.73
  5. Step 5: Solve for x
    x = 6,311,973,476.73/87,864.79
  6. Step 6: Final answer
    x = 71,837.35

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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.