Home / 89,945.23-134,702.76-51,879.11

Finding the Fourth Proportional to 89,945.23, 134,702.76 and 51,879.11

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Solution

The fourth proportional to 89,945.23, 134,702.76 and 51,879.11 is: 77,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,945.23 : 134,702.76 = 51,879.11 : x
  2. Step 2: Convert to fraction form
    89,945.23/134,702.76 = 51,879.11/x
  3. Step 3: Cross multiply
    89,945.23x = 134,702.76 × 51,879.11
  4. Step 4: Simplify right side
    89,945.23x = 6,988,258,612.55
  5. Step 5: Solve for x
    x = 6,988,258,612.55/89,945.23
  6. Step 6: Final answer
    x = 77,694.60

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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.