Home / 77,182.56-115,771.68-24,595.20

Finding the Fourth Proportional to 77,182.56, 115,771.68 and 24,595.20

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Solution

The fourth proportional to 77,182.56, 115,771.68 and 24,595.20 is: 36,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182.56 : 115,771.68 = 24,595.20 : x
  2. Step 2: Convert to fraction form
    77,182.56/115,771.68 = 24,595.20/x
  3. Step 3: Cross multiply
    77,182.56x = 115,771.68 × 24,595.20
  4. Step 4: Simplify right side
    77,182.56x = 2,847,427,623.94
  5. Step 5: Solve for x
    x = 2,847,427,623.94/77,182.56
  6. Step 6: Final answer
    x = 36,892.11

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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.