Home / 89,538.24-123,556.68-51,818.16

Finding the Fourth Proportional to 89,538.24, 123,556.68 and 51,818.16

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Solution

The fourth proportional to 89,538.24, 123,556.68 and 51,818.16 is: 71,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.24 : 123,556.68 = 51,818.16 : x
  2. Step 2: Convert to fraction form
    89,538.24/123,556.68 = 51,818.16/x
  3. Step 3: Cross multiply
    89,538.24x = 123,556.68 × 51,818.16
  4. Step 4: Simplify right side
    89,538.24x = 6,402,479,813.31
  5. Step 5: Solve for x
    x = 6,402,479,813.31/89,538.24
  6. Step 6: Final answer
    x = 71,505.54

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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.