Home / 63,617.12-87,799.68-38,466.56

Finding the Fourth Proportional to 63,617.12, 87,799.68 and 38,466.56

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Solution

The fourth proportional to 63,617.12, 87,799.68 and 38,466.56 is: 53,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,617.12 : 87,799.68 = 38,466.56 : x
  2. Step 2: Convert to fraction form
    63,617.12/87,799.68 = 38,466.56/x
  3. Step 3: Cross multiply
    63,617.12x = 87,799.68 × 38,466.56
  4. Step 4: Simplify right side
    63,617.12x = 3,377,351,658.70
  5. Step 5: Solve for x
    x = 3,377,351,658.70/63,617.12
  6. Step 6: Final answer
    x = 53,088.72

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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.