Home / 81,367.25-112,291.03-45,555.13

Finding the Fourth Proportional to 81,367.25, 112,291.03 and 45,555.13

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Solution

The fourth proportional to 81,367.25, 112,291.03 and 45,555.13 is: 62,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.25 : 112,291.03 = 45,555.13 : x
  2. Step 2: Convert to fraction form
    81,367.25/112,291.03 = 45,555.13/x
  3. Step 3: Cross multiply
    81,367.25x = 112,291.03 × 45,555.13
  4. Step 4: Simplify right side
    81,367.25x = 5,115,432,245.70
  5. Step 5: Solve for x
    x = 5,115,432,245.70/81,367.25
  6. Step 6: Final answer
    x = 62,868.44

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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.