Home / 89,642.80-134,432.07-29,660.23

Finding the Fourth Proportional to 89,642.80, 134,432.07 and 29,660.23

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Solution

The fourth proportional to 89,642.80, 134,432.07 and 29,660.23 is: 44,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642.80 : 134,432.07 = 29,660.23 : x
  2. Step 2: Convert to fraction form
    89,642.80/134,432.07 = 29,660.23/x
  3. Step 3: Cross multiply
    89,642.80x = 134,432.07 × 29,660.23
  4. Step 4: Simplify right side
    89,642.80x = 3,987,286,115.58
  5. Step 5: Solve for x
    x = 3,987,286,115.58/89,642.80
  6. Step 6: Final answer
    x = 44,479.71

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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.