Home / 89,421.44-123,399.11-49,135.19

Finding the Fourth Proportional to 89,421.44, 123,399.11 and 49,135.19

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Solution

The fourth proportional to 89,421.44, 123,399.11 and 49,135.19 is: 67,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.44 : 123,399.11 = 49,135.19 : x
  2. Step 2: Convert to fraction form
    89,421.44/123,399.11 = 49,135.19/x
  3. Step 3: Cross multiply
    89,421.44x = 123,399.11 × 49,135.19
  4. Step 4: Simplify right side
    89,421.44x = 6,063,237,853.01
  5. Step 5: Solve for x
    x = 6,063,237,853.01/89,421.44
  6. Step 6: Final answer
    x = 67,805.20

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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.