Home / 81,331.26-112,236.04-45,521.26

Finding the Fourth Proportional to 81,331.26, 112,236.04 and 45,521.26

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Solution

The fourth proportional to 81,331.26, 112,236.04 and 45,521.26 is: 62,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,331.26 : 112,236.04 = 45,521.26 : x
  2. Step 2: Convert to fraction form
    81,331.26/112,236.04 = 45,521.26/x
  3. Step 3: Cross multiply
    81,331.26x = 112,236.04 × 45,521.26
  4. Step 4: Simplify right side
    81,331.26x = 5,109,125,958.21
  5. Step 5: Solve for x
    x = 5,109,125,958.21/81,331.26
  6. Step 6: Final answer
    x = 62,818.72

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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.