Home / 71,114.20-106,757.70-53,445.40

Finding the Fourth Proportional to 71,114.20, 106,757.70 and 53,445.40

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Solution

The fourth proportional to 71,114.20, 106,757.70 and 53,445.40 is: 80,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.20 : 106,757.70 = 53,445.40 : x
  2. Step 2: Convert to fraction form
    71,114.20/106,757.70 = 53,445.40/x
  3. Step 3: Cross multiply
    71,114.20x = 106,757.70 × 53,445.40
  4. Step 4: Simplify right side
    71,114.20x = 5,705,707,979.58
  5. Step 5: Solve for x
    x = 5,705,707,979.58/71,114.20
  6. Step 6: Final answer
    x = 80,233.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.