Home / 112,842.56-169,374-53,719.04

Finding the Fourth Proportional to 112,842.56, 169,374 and 53,719.04

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Solution

The fourth proportional to 112,842.56, 169,374 and 53,719.04 is: 80,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,842.56 : 169,374 = 53,719.04 : x
  2. Step 2: Convert to fraction form
    112,842.56/169,374 = 53,719.04/x
  3. Step 3: Cross multiply
    112,842.56x = 169,374 × 53,719.04
  4. Step 4: Simplify right side
    112,842.56x = 9,098,608,680.96
  5. Step 5: Solve for x
    x = 9,098,608,680.96/112,842.56
  6. Step 6: Final answer
    x = 80,631.00

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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.