Home / 80,231.79-120,364.29-24,069.63

Finding the Fourth Proportional to 80,231.79, 120,364.29 and 24,069.63

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Solution

The fourth proportional to 80,231.79, 120,364.29 and 24,069.63 is: 36,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.79 : 120,364.29 = 24,069.63 : x
  2. Step 2: Convert to fraction form
    80,231.79/120,364.29 = 24,069.63/x
  3. Step 3: Cross multiply
    80,231.79x = 120,364.29 × 24,069.63
  4. Step 4: Simplify right side
    80,231.79x = 2,897,123,925.51
  5. Step 5: Solve for x
    x = 2,897,123,925.51/80,231.79
  6. Step 6: Final answer
    x = 36,109.43

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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.