Home / 83,988.24-116,058.24-61,288.80

Finding the Fourth Proportional to 83,988.24, 116,058.24 and 61,288.80

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Solution

The fourth proportional to 83,988.24, 116,058.24 and 61,288.80 is: 84,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988.24 : 116,058.24 = 61,288.80 : x
  2. Step 2: Convert to fraction form
    83,988.24/116,058.24 = 61,288.80/x
  3. Step 3: Cross multiply
    83,988.24x = 116,058.24 × 61,288.80
  4. Step 4: Simplify right side
    83,988.24x = 7,113,070,259.71
  5. Step 5: Solve for x
    x = 7,113,070,259.71/83,988.24
  6. Step 6: Final answer
    x = 84,691.26

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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.