Home / 69,939.83-96,488.07-48,731.40

Finding the Fourth Proportional to 69,939.83, 96,488.07 and 48,731.40

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Solution

The fourth proportional to 69,939.83, 96,488.07 and 48,731.40 is: 67,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.83 : 96,488.07 = 48,731.40 : x
  2. Step 2: Convert to fraction form
    69,939.83/96,488.07 = 48,731.40/x
  3. Step 3: Cross multiply
    69,939.83x = 96,488.07 × 48,731.40
  4. Step 4: Simplify right side
    69,939.83x = 4,701,998,251.96
  5. Step 5: Solve for x
    x = 4,701,998,251.96/69,939.83
  6. Step 6: Final answer
    x = 67,229.19

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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.