Home / 69,382.08-103,979.88-36,032.76

Finding the Fourth Proportional to 69,382.08, 103,979.88 and 36,032.76

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Solution

The fourth proportional to 69,382.08, 103,979.88 and 36,032.76 is: 54,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,382.08 : 103,979.88 = 36,032.76 : x
  2. Step 2: Convert to fraction form
    69,382.08/103,979.88 = 36,032.76/x
  3. Step 3: Cross multiply
    69,382.08x = 103,979.88 × 36,032.76
  4. Step 4: Simplify right side
    69,382.08x = 3,746,682,060.87
  5. Step 5: Solve for x
    x = 3,746,682,060.87/69,382.08
  6. Step 6: Final answer
    x = 54,000.72

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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.