Home / 79,719.20-110,013.24-43,909.34

Finding the Fourth Proportional to 79,719.20, 110,013.24 and 43,909.34

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Solution

The fourth proportional to 79,719.20, 110,013.24 and 43,909.34 is: 60,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719.20 : 110,013.24 = 43,909.34 : x
  2. Step 2: Convert to fraction form
    79,719.20/110,013.24 = 43,909.34/x
  3. Step 3: Cross multiply
    79,719.20x = 110,013.24 × 43,909.34
  4. Step 4: Simplify right side
    79,719.20x = 4,830,608,759.66
  5. Step 5: Solve for x
    x = 4,830,608,759.66/79,719.20
  6. Step 6: Final answer
    x = 60,595.30

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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.