Home / 77,236.12-115,856.21-24,645.55

Finding the Fourth Proportional to 77,236.12, 115,856.21 and 24,645.55

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Solution

The fourth proportional to 77,236.12, 115,856.21 and 24,645.55 is: 36,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236.12 : 115,856.21 = 24,645.55 : x
  2. Step 2: Convert to fraction form
    77,236.12/115,856.21 = 24,645.55/x
  3. Step 3: Cross multiply
    77,236.12x = 115,856.21 × 24,645.55
  4. Step 4: Simplify right side
    77,236.12x = 2,855,340,016.37
  5. Step 5: Solve for x
    x = 2,855,340,016.37/77,236.12
  6. Step 6: Final answer
    x = 36,968.97

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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.