Home / 89,565.80-123,618.48-51,351.02

Finding the Fourth Proportional to 89,565.80, 123,618.48 and 51,351.02

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Solution

The fourth proportional to 89,565.80, 123,618.48 and 51,351.02 is: 70,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.80 : 123,618.48 = 51,351.02 : x
  2. Step 2: Convert to fraction form
    89,565.80/123,618.48 = 51,351.02/x
  3. Step 3: Cross multiply
    89,565.80x = 123,618.48 × 51,351.02
  4. Step 4: Simplify right side
    89,565.80x = 6,347,935,038.85
  5. Step 5: Solve for x
    x = 6,347,935,038.85/89,565.80
  6. Step 6: Final answer
    x = 70,874.54

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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.