Home / 79,810.20-110,138.76-44,001.60

Finding the Fourth Proportional to 79,810.20, 110,138.76 and 44,001.60

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Solution

The fourth proportional to 79,810.20, 110,138.76 and 44,001.60 is: 60,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810.20 : 110,138.76 = 44,001.60 : x
  2. Step 2: Convert to fraction form
    79,810.20/110,138.76 = 44,001.60/x
  3. Step 3: Cross multiply
    79,810.20x = 110,138.76 × 44,001.60
  4. Step 4: Simplify right side
    79,810.20x = 4,846,281,662.02
  5. Step 5: Solve for x
    x = 4,846,281,662.02/79,810.20
  6. Step 6: Final answer
    x = 60,722.59

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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.