Home / 75,770.72-113,557.92-36,250.40

Finding the Fourth Proportional to 75,770.72, 113,557.92 and 36,250.40

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Solution

The fourth proportional to 75,770.72, 113,557.92 and 36,250.40 is: 54,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.72 : 113,557.92 = 36,250.40 : x
  2. Step 2: Convert to fraction form
    75,770.72/113,557.92 = 36,250.40/x
  3. Step 3: Cross multiply
    75,770.72x = 113,557.92 × 36,250.40
  4. Step 4: Simplify right side
    75,770.72x = 4,116,520,023.17
  5. Step 5: Solve for x
    x = 4,116,520,023.17/75,770.72
  6. Step 6: Final answer
    x = 54,328.64

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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.