Home / 91,579.29-137,419.97-49,458.48

Finding the Fourth Proportional to 91,579.29, 137,419.97 and 49,458.48

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Solution

The fourth proportional to 91,579.29, 137,419.97 and 49,458.48 is: 74,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.29 : 137,419.97 = 49,458.48 : x
  2. Step 2: Convert to fraction form
    91,579.29/137,419.97 = 49,458.48/x
  3. Step 3: Cross multiply
    91,579.29x = 137,419.97 × 49,458.48
  4. Step 4: Simplify right side
    91,579.29x = 6,796,582,837.85
  5. Step 5: Solve for x
    x = 6,796,582,837.85/91,579.29
  6. Step 6: Final answer
    x = 74,215.28

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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.