Home / 89,470.29-134,201.92-30,305.95

Finding the Fourth Proportional to 89,470.29, 134,201.92 and 30,305.95

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Solution

The fourth proportional to 89,470.29, 134,201.92 and 30,305.95 is: 45,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,470.29 : 134,201.92 = 30,305.95 : x
  2. Step 2: Convert to fraction form
    89,470.29/134,201.92 = 30,305.95/x
  3. Step 3: Cross multiply
    89,470.29x = 134,201.92 × 30,305.95
  4. Step 4: Simplify right side
    89,470.29x = 4,067,116,601.66
  5. Step 5: Solve for x
    x = 4,067,116,601.66/89,470.29
  6. Step 6: Final answer
    x = 45,457.74

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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.