Home / 80,974.53-121,461.79-41,506.47

Finding the Fourth Proportional to 80,974.53, 121,461.79 and 41,506.47

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Solution

The fourth proportional to 80,974.53, 121,461.79 and 41,506.47 is: 62,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974.53 : 121,461.79 = 41,506.47 : x
  2. Step 2: Convert to fraction form
    80,974.53/121,461.79 = 41,506.47/x
  3. Step 3: Cross multiply
    80,974.53x = 121,461.79 × 41,506.47
  4. Step 4: Simplify right side
    80,974.53x = 5,041,450,039.02
  5. Step 5: Solve for x
    x = 5,041,450,039.02/80,974.53
  6. Step 6: Final answer
    x = 62,259.70

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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.