Home / 94,115.38-129,879.32-55,882.56

Finding the Fourth Proportional to 94,115.38, 129,879.32 and 55,882.56

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Solution

The fourth proportional to 94,115.38, 129,879.32 and 55,882.56 is: 77,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,115.38 : 129,879.32 = 55,882.56 : x
  2. Step 2: Convert to fraction form
    94,115.38/129,879.32 = 55,882.56/x
  3. Step 3: Cross multiply
    94,115.38x = 129,879.32 × 55,882.56
  4. Step 4: Simplify right side
    94,115.38x = 7,257,988,822.81
  5. Step 5: Solve for x
    x = 7,257,988,822.81/94,115.38
  6. Step 6: Final answer
    x = 77,117.99

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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.