Home / 89,512.56-134,279.78-30,365.15

Finding the Fourth Proportional to 89,512.56, 134,279.78 and 30,365.15

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Solution

The fourth proportional to 89,512.56, 134,279.78 and 30,365.15 is: 45,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.56 : 134,279.78 = 30,365.15 : x
  2. Step 2: Convert to fraction form
    89,512.56/134,279.78 = 30,365.15/x
  3. Step 3: Cross multiply
    89,512.56x = 134,279.78 × 30,365.15
  4. Step 4: Simplify right side
    89,512.56x = 4,077,424,838.44
  5. Step 5: Solve for x
    x = 4,077,424,838.44/89,512.56
  6. Step 6: Final answer
    x = 45,551.43

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1.5x scale

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.