Home / 68,616.24-94,683.72-38,399.76

Finding the Fourth Proportional to 68,616.24, 94,683.72 and 38,399.76

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Solution

The fourth proportional to 68,616.24, 94,683.72 and 38,399.76 is: 52,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616.24 : 94,683.72 = 38,399.76 : x
  2. Step 2: Convert to fraction form
    68,616.24/94,683.72 = 38,399.76/x
  3. Step 3: Cross multiply
    68,616.24x = 94,683.72 × 38,399.76
  4. Step 4: Simplify right side
    68,616.24x = 3,635,832,123.91
  5. Step 5: Solve for x
    x = 3,635,832,123.91/68,616.24
  6. Step 6: Final answer
    x = 52,987.92

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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.