Home / 83,427.12-115,101.24-47,591.92

Finding the Fourth Proportional to 83,427.12, 115,101.24 and 47,591.92

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Solution

The fourth proportional to 83,427.12, 115,101.24 and 47,591.92 is: 65,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.12 : 115,101.24 = 47,591.92 : x
  2. Step 2: Convert to fraction form
    83,427.12/115,101.24 = 47,591.92/x
  3. Step 3: Cross multiply
    83,427.12x = 115,101.24 × 47,591.92
  4. Step 4: Simplify right side
    83,427.12x = 5,477,889,005.98
  5. Step 5: Solve for x
    x = 5,477,889,005.98/83,427.12
  6. Step 6: Final answer
    x = 65,660.77

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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.