Home / 89,954.20-134,364.92-66,050.29

Finding the Fourth Proportional to 89,954.20, 134,364.92 and 66,050.29

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Solution

The fourth proportional to 89,954.20, 134,364.92 and 66,050.29 is: 98,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.20 : 134,364.92 = 66,050.29 : x
  2. Step 2: Convert to fraction form
    89,954.20/134,364.92 = 66,050.29/x
  3. Step 3: Cross multiply
    89,954.20x = 134,364.92 × 66,050.29
  4. Step 4: Simplify right side
    89,954.20x = 8,874,841,931.83
  5. Step 5: Solve for x
    x = 8,874,841,931.83/89,954.20
  6. Step 6: Final answer
    x = 98,659.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.