Home / 79,179.55-109,269.56-45,187.36

Finding the Fourth Proportional to 79,179.55, 109,269.56 and 45,187.36

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Solution

The fourth proportional to 79,179.55, 109,269.56 and 45,187.36 is: 62,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,179.55 : 109,269.56 = 45,187.36 : x
  2. Step 2: Convert to fraction form
    79,179.55/109,269.56 = 45,187.36/x
  3. Step 3: Cross multiply
    79,179.55x = 109,269.56 × 45,187.36
  4. Step 4: Simplify right side
    79,179.55x = 4,937,603,229.74
  5. Step 5: Solve for x
    x = 4,937,603,229.74/79,179.55
  6. Step 6: Final answer
    x = 62,359.57

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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.