Home / 89,375.49-134,079.71-29,407.32

Finding the Fourth Proportional to 89,375.49, 134,079.71 and 29,407.32

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Solution

The fourth proportional to 89,375.49, 134,079.71 and 29,407.32 is: 44,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,375.49 : 134,079.71 = 29,407.32 : x
  2. Step 2: Convert to fraction form
    89,375.49/134,079.71 = 29,407.32/x
  3. Step 3: Cross multiply
    89,375.49x = 134,079.71 × 29,407.32
  4. Step 4: Simplify right side
    89,375.49x = 3,942,924,790.44
  5. Step 5: Solve for x
    x = 3,942,924,790.44/89,375.49
  6. Step 6: Final answer
    x = 44,116.40

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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.