Home / 89,422.60-134,085.30-30,227.80

Finding the Fourth Proportional to 89,422.60, 134,085.30 and 30,227.80

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Solution

The fourth proportional to 89,422.60, 134,085.30 and 30,227.80 is: 45,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.60 : 134,085.30 = 30,227.80 : x
  2. Step 2: Convert to fraction form
    89,422.60/134,085.30 = 30,227.80/x
  3. Step 3: Cross multiply
    89,422.60x = 134,085.30 × 30,227.80
  4. Step 4: Simplify right side
    89,422.60x = 4,053,103,631.34
  5. Step 5: Solve for x
    x = 4,053,103,631.34/89,422.60
  6. Step 6: Final answer
    x = 45,325.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.