Home / 74,279.20-111,505.20-44,730.40

Finding the Fourth Proportional to 74,279.20, 111,505.20 and 44,730.40

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Solution

The fourth proportional to 74,279.20, 111,505.20 and 44,730.40 is: 67,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,279.20 : 111,505.20 = 44,730.40 : x
  2. Step 2: Convert to fraction form
    74,279.20/111,505.20 = 44,730.40/x
  3. Step 3: Cross multiply
    74,279.20x = 111,505.20 × 44,730.40
  4. Step 4: Simplify right side
    74,279.20x = 4,987,672,198.08
  5. Step 5: Solve for x
    x = 4,987,672,198.08/74,279.20
  6. Step 6: Final answer
    x = 67,147.63

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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.