Home / 106,988.13-160,449.26-40,459.59

Finding the Fourth Proportional to 106,988.13, 160,449.26 and 40,459.59

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Solution

The fourth proportional to 106,988.13, 160,449.26 and 40,459.59 is: 60,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,988.13 : 160,449.26 = 40,459.59 : x
  2. Step 2: Convert to fraction form
    106,988.13/160,449.26 = 40,459.59/x
  3. Step 3: Cross multiply
    106,988.13x = 160,449.26 × 40,459.59
  4. Step 4: Simplify right side
    106,988.13x = 6,491,711,073.11
  5. Step 5: Solve for x
    x = 6,491,711,073.11/106,988.13
  6. Step 6: Final answer
    x = 60,676.93

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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.