Home / 107,689.56-161,534.38-48,456.04

Finding the Fourth Proportional to 107,689.56, 161,534.38 and 48,456.04

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Solution

The fourth proportional to 107,689.56, 161,534.38 and 48,456.04 is: 72,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,689.56 : 161,534.38 = 48,456.04 : x
  2. Step 2: Convert to fraction form
    107,689.56/161,534.38 = 48,456.04/x
  3. Step 3: Cross multiply
    107,689.56x = 161,534.38 × 48,456.04
  4. Step 4: Simplify right side
    107,689.56x = 7,827,316,378.66
  5. Step 5: Solve for x
    x = 7,827,316,378.66/107,689.56
  6. Step 6: Final answer
    x = 72,684.08

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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.