Home / 89,680.43-134,542.76-26,500.23

Finding the Fourth Proportional to 89,680.43, 134,542.76 and 26,500.23

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Solution

The fourth proportional to 89,680.43, 134,542.76 and 26,500.23 is: 39,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,680.43 : 134,542.76 = 26,500.23 : x
  2. Step 2: Convert to fraction form
    89,680.43/134,542.76 = 26,500.23/x
  3. Step 3: Cross multiply
    89,680.43x = 134,542.76 × 26,500.23
  4. Step 4: Simplify right side
    89,680.43x = 3,565,413,952.33
  5. Step 5: Solve for x
    x = 3,565,413,952.33/89,680.43
  6. Step 6: Final answer
    x = 39,756.88

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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.