Home / 79,226.55-109,335.65-45,240.57

Finding the Fourth Proportional to 79,226.55, 109,335.65 and 45,240.57

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Solution

The fourth proportional to 79,226.55, 109,335.65 and 45,240.57 is: 62,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.55 : 109,335.65 = 45,240.57 : x
  2. Step 2: Convert to fraction form
    79,226.55/109,335.65 = 45,240.57/x
  3. Step 3: Cross multiply
    79,226.55x = 109,335.65 × 45,240.57
  4. Step 4: Simplify right side
    79,226.55x = 4,946,407,127.32
  5. Step 5: Solve for x
    x = 4,946,407,127.32/79,226.55
  6. Step 6: Final answer
    x = 62,433.71

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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.