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Finding the Fourth Proportional to 73,036.92, 100,807.20 and 47,498.88

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Solution

The fourth proportional to 73,036.92, 100,807.20 and 47,498.88 is: 65,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.92 : 100,807.20 = 47,498.88 : x
  2. Step 2: Convert to fraction form
    73,036.92/100,807.20 = 47,498.88/x
  3. Step 3: Cross multiply
    73,036.92x = 100,807.20 × 47,498.88
  4. Step 4: Simplify right side
    73,036.92x = 4,788,229,095.94
  5. Step 5: Solve for x
    x = 4,788,229,095.94/73,036.92
  6. Step 6: Final answer
    x = 65,559.02

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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.