Home / 80,557.40-120,821.70-50,922.20

Finding the Fourth Proportional to 80,557.40, 120,821.70 and 50,922.20

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Solution

The fourth proportional to 80,557.40, 120,821.70 and 50,922.20 is: 76,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557.40 : 120,821.70 = 50,922.20 : x
  2. Step 2: Convert to fraction form
    80,557.40/120,821.70 = 50,922.20/x
  3. Step 3: Cross multiply
    80,557.40x = 120,821.70 × 50,922.20
  4. Step 4: Simplify right side
    80,557.40x = 6,152,506,771.74
  5. Step 5: Solve for x
    x = 6,152,506,771.74/80,557.40
  6. Step 6: Final answer
    x = 76,374.20

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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.