Home / 80,480.28-111,057.57-44,670.30

Finding the Fourth Proportional to 80,480.28, 111,057.57 and 44,670.30

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Solution

The fourth proportional to 80,480.28, 111,057.57 and 44,670.30 is: 61,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,480.28 : 111,057.57 = 44,670.30 : x
  2. Step 2: Convert to fraction form
    80,480.28/111,057.57 = 44,670.30/x
  3. Step 3: Cross multiply
    80,480.28x = 111,057.57 × 44,670.30
  4. Step 4: Simplify right side
    80,480.28x = 4,960,974,969.17
  5. Step 5: Solve for x
    x = 4,960,974,969.17/80,480.28
  6. Step 6: Final answer
    x = 61,642.12

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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.