Home / 89,876.56-134,828.88-39,974.08

Finding the Fourth Proportional to 89,876.56, 134,828.88 and 39,974.08

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Solution

The fourth proportional to 89,876.56, 134,828.88 and 39,974.08 is: 59,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,876.56 : 134,828.88 = 39,974.08 : x
  2. Step 2: Convert to fraction form
    89,876.56/134,828.88 = 39,974.08/x
  3. Step 3: Cross multiply
    89,876.56x = 134,828.88 × 39,974.08
  4. Step 4: Simplify right side
    89,876.56x = 5,389,660,435.43
  5. Step 5: Solve for x
    x = 5,389,660,435.43/89,876.56
  6. Step 6: Final answer
    x = 59,967.36

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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.