Home / 83,270.40-124,794.72-30,631.20

Finding the Fourth Proportional to 83,270.40, 124,794.72 and 30,631.20

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Solution

The fourth proportional to 83,270.40, 124,794.72 and 30,631.20 is: 45,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,270.40 : 124,794.72 = 30,631.20 : x
  2. Step 2: Convert to fraction form
    83,270.40/124,794.72 = 30,631.20/x
  3. Step 3: Cross multiply
    83,270.40x = 124,794.72 × 30,631.20
  4. Step 4: Simplify right side
    83,270.40x = 3,822,612,027.26
  5. Step 5: Solve for x
    x = 3,822,612,027.26/83,270.40
  6. Step 6: Final answer
    x = 45,906.01

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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.