Home / 115,728.24-173,691.06-45,656.76

Finding the Fourth Proportional to 115,728.24, 173,691.06 and 45,656.76

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Solution

The fourth proportional to 115,728.24, 173,691.06 and 45,656.76 is: 68,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,728.24 : 173,691.06 = 45,656.76 : x
  2. Step 2: Convert to fraction form
    115,728.24/173,691.06 = 45,656.76/x
  3. Step 3: Cross multiply
    115,728.24x = 173,691.06 × 45,656.76
  4. Step 4: Simplify right side
    115,728.24x = 7,930,171,040.57
  5. Step 5: Solve for x
    x = 7,930,171,040.57/115,728.24
  6. Step 6: Final answer
    x = 68,524.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.