Home / 89,247.20-133,836.72-30,067.04

Finding the Fourth Proportional to 89,247.20, 133,836.72 and 30,067.04

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Solution

The fourth proportional to 89,247.20, 133,836.72 and 30,067.04 is: 45,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.20 : 133,836.72 = 30,067.04 : x
  2. Step 2: Convert to fraction form
    89,247.20/133,836.72 = 30,067.04/x
  3. Step 3: Cross multiply
    89,247.20x = 133,836.72 × 30,067.04
  4. Step 4: Simplify right side
    89,247.20x = 4,024,074,013.71
  5. Step 5: Solve for x
    x = 4,024,074,013.71/89,247.20
  6. Step 6: Final answer
    x = 45,089.08

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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.