Home / 80,977.53-121,466.29-41,509.47

Finding the Fourth Proportional to 80,977.53, 121,466.29 and 41,509.47

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Solution

The fourth proportional to 80,977.53, 121,466.29 and 41,509.47 is: 62,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,977.53 : 121,466.29 = 41,509.47 : x
  2. Step 2: Convert to fraction form
    80,977.53/121,466.29 = 41,509.47/x
  3. Step 3: Cross multiply
    80,977.53x = 121,466.29 × 41,509.47
  4. Step 4: Simplify right side
    80,977.53x = 5,042,000,917.15
  5. Step 5: Solve for x
    x = 5,042,000,917.15/80,977.53
  6. Step 6: Final answer
    x = 62,264.20

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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.