Home / 79,149.47-109,226.25-43,341.66

Finding the Fourth Proportional to 79,149.47, 109,226.25 and 43,341.66

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Solution

The fourth proportional to 79,149.47, 109,226.25 and 43,341.66 is: 59,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,149.47 : 109,226.25 = 43,341.66 : x
  2. Step 2: Convert to fraction form
    79,149.47/109,226.25 = 43,341.66/x
  3. Step 3: Cross multiply
    79,149.47x = 109,226.25 × 43,341.66
  4. Step 4: Simplify right side
    79,149.47x = 4,734,046,990.58
  5. Step 5: Solve for x
    x = 4,734,046,990.58/79,149.47
  6. Step 6: Final answer
    x = 59,811.48

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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.