Home / 89,540.24-123,559.44-51,820.16

Finding the Fourth Proportional to 89,540.24, 123,559.44 and 51,820.16

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Solution

The fourth proportional to 89,540.24, 123,559.44 and 51,820.16 is: 71,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540.24 : 123,559.44 = 51,820.16 : x
  2. Step 2: Convert to fraction form
    89,540.24/123,559.44 = 51,820.16/x
  3. Step 3: Cross multiply
    89,540.24x = 123,559.44 × 51,820.16
  4. Step 4: Simplify right side
    89,540.24x = 6,402,869,950.31
  5. Step 5: Solve for x
    x = 6,402,869,950.31/89,540.24
  6. Step 6: Final answer
    x = 71,508.30

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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.