Home / 107,862.12-161,822.34-32,984.92

Finding the Fourth Proportional to 107,862.12, 161,822.34 and 32,984.92

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Solution

The fourth proportional to 107,862.12, 161,822.34 and 32,984.92 is: 49,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,862.12 : 161,822.34 = 32,984.92 : x
  2. Step 2: Convert to fraction form
    107,862.12/161,822.34 = 32,984.92/x
  3. Step 3: Cross multiply
    107,862.12x = 161,822.34 × 32,984.92
  4. Step 4: Simplify right side
    107,862.12x = 5,337,696,939.11
  5. Step 5: Solve for x
    x = 5,337,696,939.11/107,862.12
  6. Step 6: Final answer
    x = 49,486.30

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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.