Home / 80,280.70-110,787.48-43,981.34

Finding the Fourth Proportional to 80,280.70, 110,787.48 and 43,981.34

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Solution

The fourth proportional to 80,280.70, 110,787.48 and 43,981.34 is: 60,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.70 : 110,787.48 = 43,981.34 : x
  2. Step 2: Convert to fraction form
    80,280.70/110,787.48 = 43,981.34/x
  3. Step 3: Cross multiply
    80,280.70x = 110,787.48 × 43,981.34
  4. Step 4: Simplify right side
    80,280.70x = 4,872,581,271.69
  5. Step 5: Solve for x
    x = 4,872,581,271.69/80,280.70
  6. Step 6: Final answer
    x = 60,694.31

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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.