Home / 83,809.30-115,663.41-48,010.85

Finding the Fourth Proportional to 83,809.30, 115,663.41 and 48,010.85

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Solution

The fourth proportional to 83,809.30, 115,663.41 and 48,010.85 is: 66,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,809.30 : 115,663.41 = 48,010.85 : x
  2. Step 2: Convert to fraction form
    83,809.30/115,663.41 = 48,010.85/x
  3. Step 3: Cross multiply
    83,809.30x = 115,663.41 × 48,010.85
  4. Step 4: Simplify right side
    83,809.30x = 5,553,098,628.00
  5. Step 5: Solve for x
    x = 5,553,098,628.00/83,809.30
  6. Step 6: Final answer
    x = 66,258.74

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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.