Home / 77,521.20-106,979.28-43,524.96

Finding the Fourth Proportional to 77,521.20, 106,979.28 and 43,524.96

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Solution

The fourth proportional to 77,521.20, 106,979.28 and 43,524.96 is: 60,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.20 : 106,979.28 = 43,524.96 : x
  2. Step 2: Convert to fraction form
    77,521.20/106,979.28 = 43,524.96/x
  3. Step 3: Cross multiply
    77,521.20x = 106,979.28 × 43,524.96
  4. Step 4: Simplify right side
    77,521.20x = 4,656,268,882.83
  5. Step 5: Solve for x
    x = 4,656,268,882.83/77,521.20
  6. Step 6: Final answer
    x = 60,064.46

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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.