Home / 89,912.46-134,951.49-45,570.63

Finding the Fourth Proportional to 89,912.46, 134,951.49 and 45,570.63

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Solution

The fourth proportional to 89,912.46, 134,951.49 and 45,570.63 is: 68,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.46 : 134,951.49 = 45,570.63 : x
  2. Step 2: Convert to fraction form
    89,912.46/134,951.49 = 45,570.63/x
  3. Step 3: Cross multiply
    89,912.46x = 134,951.49 × 45,570.63
  4. Step 4: Simplify right side
    89,912.46x = 6,149,824,418.74
  5. Step 5: Solve for x
    x = 6,149,824,418.74/89,912.46
  6. Step 6: Final answer
    x = 68,397.91

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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.