Home / 86,481.02-119,343.66-48,755.28

Finding the Fourth Proportional to 86,481.02, 119,343.66 and 48,755.28

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Solution

The fourth proportional to 86,481.02, 119,343.66 and 48,755.28 is: 67,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.02 : 119,343.66 = 48,755.28 : x
  2. Step 2: Convert to fraction form
    86,481.02/119,343.66 = 48,755.28/x
  3. Step 3: Cross multiply
    86,481.02x = 119,343.66 × 48,755.28
  4. Step 4: Simplify right side
    86,481.02x = 5,818,633,559.52
  5. Step 5: Solve for x
    x = 5,818,633,559.52/86,481.02
  6. Step 6: Final answer
    x = 67,282.20

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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.