Home / 79,989.12-110,379.60-44,179.20

Finding the Fourth Proportional to 79,989.12, 110,379.60 and 44,179.20

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Solution

The fourth proportional to 79,989.12, 110,379.60 and 44,179.20 is: 60,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,989.12 : 110,379.60 = 44,179.20 : x
  2. Step 2: Convert to fraction form
    79,989.12/110,379.60 = 44,179.20/x
  3. Step 3: Cross multiply
    79,989.12x = 110,379.60 × 44,179.20
  4. Step 4: Simplify right side
    79,989.12x = 4,876,482,424.32
  5. Step 5: Solve for x
    x = 4,876,482,424.32/79,989.12
  6. Step 6: Final answer
    x = 60,964.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.