Home / 81,273.52-112,166.76-45,472.60

Finding the Fourth Proportional to 81,273.52, 112,166.76 and 45,472.60

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Solution

The fourth proportional to 81,273.52, 112,166.76 and 45,472.60 is: 62,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,273.52 : 112,166.76 = 45,472.60 : x
  2. Step 2: Convert to fraction form
    81,273.52/112,166.76 = 45,472.60/x
  3. Step 3: Cross multiply
    81,273.52x = 112,166.76 × 45,472.60
  4. Step 4: Simplify right side
    81,273.52x = 5,100,514,210.78
  5. Step 5: Solve for x
    x = 5,100,514,210.78/81,273.52
  6. Step 6: Final answer
    x = 62,757.39

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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.