Home / 80,787.44-111,490.32-44,979.72

Finding the Fourth Proportional to 80,787.44, 111,490.32 and 44,979.72

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Solution

The fourth proportional to 80,787.44, 111,490.32 and 44,979.72 is: 62,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,787.44 : 111,490.32 = 44,979.72 : x
  2. Step 2: Convert to fraction form
    80,787.44/111,490.32 = 44,979.72/x
  3. Step 3: Cross multiply
    80,787.44x = 111,490.32 × 44,979.72
  4. Step 4: Simplify right side
    80,787.44x = 5,014,803,376.31
  5. Step 5: Solve for x
    x = 5,014,803,376.31/80,787.44
  6. Step 6: Final answer
    x = 62,074.05

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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.