Home / 89,562.30-123,613.65-51,347.52

Finding the Fourth Proportional to 89,562.30, 123,613.65 and 51,347.52

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Solution

The fourth proportional to 89,562.30, 123,613.65 and 51,347.52 is: 70,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,562.30 : 123,613.65 = 51,347.52 : x
  2. Step 2: Convert to fraction form
    89,562.30/123,613.65 = 51,347.52/x
  3. Step 3: Cross multiply
    89,562.30x = 123,613.65 × 51,347.52
  4. Step 4: Simplify right side
    89,562.30x = 6,347,254,365.65
  5. Step 5: Solve for x
    x = 6,347,254,365.65/89,562.30
  6. Step 6: Final answer
    x = 70,869.71

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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.