Home / 80,123.25-120,070.05-44,989.09

Finding the Fourth Proportional to 80,123.25, 120,070.05 and 44,989.09

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Solution

The fourth proportional to 80,123.25, 120,070.05 and 44,989.09 is: 67,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123.25 : 120,070.05 = 44,989.09 : x
  2. Step 2: Convert to fraction form
    80,123.25/120,070.05 = 44,989.09/x
  3. Step 3: Cross multiply
    80,123.25x = 120,070.05 × 44,989.09
  4. Step 4: Simplify right side
    80,123.25x = 5,401,842,285.75
  5. Step 5: Solve for x
    x = 5,401,842,285.75/80,123.25
  6. Step 6: Final answer
    x = 67,419.16

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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.