Home / 81,182.76-112,033.48-45,375.10

Finding the Fourth Proportional to 81,182.76, 112,033.48 and 45,375.10

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Solution

The fourth proportional to 81,182.76, 112,033.48 and 45,375.10 is: 62,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182.76 : 112,033.48 = 45,375.10 : x
  2. Step 2: Convert to fraction form
    81,182.76/112,033.48 = 45,375.10/x
  3. Step 3: Cross multiply
    81,182.76x = 112,033.48 × 45,375.10
  4. Step 4: Simplify right side
    81,182.76x = 5,083,530,358.35
  5. Step 5: Solve for x
    x = 5,083,530,358.35/81,182.76
  6. Step 6: Final answer
    x = 62,618.35

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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.