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Finding the Fourth Proportional to 88,016.62, 121,463.00 and 47,730.38

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Solution

The fourth proportional to 88,016.62, 121,463.00 and 47,730.38 is: 65,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.62 : 121,463.00 = 47,730.38 : x
  2. Step 2: Convert to fraction form
    88,016.62/121,463.00 = 47,730.38/x
  3. Step 3: Cross multiply
    88,016.62x = 121,463.00 × 47,730.38
  4. Step 4: Simplify right side
    88,016.62x = 5,797,474,657.95
  5. Step 5: Solve for x
    x = 5,797,474,657.95/88,016.62
  6. Step 6: Final answer
    x = 65,867.96

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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.