Home / 89,939.06-134,974.40-43,224.74

Finding the Fourth Proportional to 89,939.06, 134,974.40 and 43,224.74

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Solution

The fourth proportional to 89,939.06, 134,974.40 and 43,224.74 is: 64,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.06 : 134,974.40 = 43,224.74 : x
  2. Step 2: Convert to fraction form
    89,939.06/134,974.40 = 43,224.74/x
  3. Step 3: Cross multiply
    89,939.06x = 134,974.40 × 43,224.74
  4. Step 4: Simplify right side
    89,939.06x = 5,834,233,346.66
  5. Step 5: Solve for x
    x = 5,834,233,346.66/89,939.06
  6. Step 6: Final answer
    x = 64,868.74

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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.