Home / 89,875.31-124,028.36-49,589.09

Finding the Fourth Proportional to 89,875.31, 124,028.36 and 49,589.09

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Solution

The fourth proportional to 89,875.31, 124,028.36 and 49,589.09 is: 68,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,875.31 : 124,028.36 = 49,589.09 : x
  2. Step 2: Convert to fraction form
    89,875.31/124,028.36 = 49,589.09/x
  3. Step 3: Cross multiply
    89,875.31x = 124,028.36 × 49,589.09
  4. Step 4: Simplify right side
    89,875.31x = 6,150,454,266.17
  5. Step 5: Solve for x
    x = 6,150,454,266.17/89,875.31
  6. Step 6: Final answer
    x = 68,433.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.