Home / 83,566.79-115,279.22-54,882.33

Finding the Fourth Proportional to 83,566.79, 115,279.22 and 54,882.33

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Solution

The fourth proportional to 83,566.79, 115,279.22 and 54,882.33 is: 75,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,566.79 : 115,279.22 = 54,882.33 : x
  2. Step 2: Convert to fraction form
    83,566.79/115,279.22 = 54,882.33/x
  3. Step 3: Cross multiply
    83,566.79x = 115,279.22 × 54,882.33
  4. Step 4: Simplify right side
    83,566.79x = 6,326,791,919.77
  5. Step 5: Solve for x
    x = 6,326,791,919.77/83,566.79
  6. Step 6: Final answer
    x = 75,709.41

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1.5x scale

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.