Home / 80,541.12-120,587.52-41,013.12

Finding the Fourth Proportional to 80,541.12, 120,587.52 and 41,013.12

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Solution

The fourth proportional to 80,541.12, 120,587.52 and 41,013.12 is: 61,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541.12 : 120,587.52 = 41,013.12 : x
  2. Step 2: Convert to fraction form
    80,541.12/120,587.52 = 41,013.12/x
  3. Step 3: Cross multiply
    80,541.12x = 120,587.52 × 41,013.12
  4. Step 4: Simplify right side
    80,541.12x = 4,945,670,428.26
  5. Step 5: Solve for x
    x = 4,945,670,428.26/80,541.12
  6. Step 6: Final answer
    x = 61,405.53

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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.