Home / 79,452.30-109,647.62-45,471.45

Finding the Fourth Proportional to 79,452.30, 109,647.62 and 45,471.45

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Solution

The fourth proportional to 79,452.30, 109,647.62 and 45,471.45 is: 62,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,452.30 : 109,647.62 = 45,471.45 : x
  2. Step 2: Convert to fraction form
    79,452.30/109,647.62 = 45,471.45/x
  3. Step 3: Cross multiply
    79,452.30x = 109,647.62 × 45,471.45
  4. Step 4: Simplify right side
    79,452.30x = 4,985,836,270.45
  5. Step 5: Solve for x
    x = 4,985,836,270.45/79,452.30
  6. Step 6: Final answer
    x = 62,752.57

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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.