Home / 80,639.95-111,289.86-44,833.30

Finding the Fourth Proportional to 80,639.95, 111,289.86 and 44,833.30

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Solution

The fourth proportional to 80,639.95, 111,289.86 and 44,833.30 is: 61,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,639.95 : 111,289.86 = 44,833.30 : x
  2. Step 2: Convert to fraction form
    80,639.95/111,289.86 = 44,833.30/x
  3. Step 3: Cross multiply
    80,639.95x = 111,289.86 × 44,833.30
  4. Step 4: Simplify right side
    80,639.95x = 4,989,491,680.34
  5. Step 5: Solve for x
    x = 4,989,491,680.34/80,639.95
  6. Step 6: Final answer
    x = 61,873.70

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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.