Home / 81,763.56-122,663.02-24,832.78

Finding the Fourth Proportional to 81,763.56, 122,663.02 and 24,832.78

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Solution

The fourth proportional to 81,763.56, 122,663.02 and 24,832.78 is: 37,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,763.56 : 122,663.02 = 24,832.78 : x
  2. Step 2: Convert to fraction form
    81,763.56/122,663.02 = 24,832.78/x
  3. Step 3: Cross multiply
    81,763.56x = 122,663.02 × 24,832.78
  4. Step 4: Simplify right side
    81,763.56x = 3,046,063,789.80
  5. Step 5: Solve for x
    x = 3,046,063,789.80/81,763.56
  6. Step 6: Final answer
    x = 37,254.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.