Home / 77,177.61-115,765.20-24,586.74

Finding the Fourth Proportional to 77,177.61, 115,765.20 and 24,586.74

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Solution

The fourth proportional to 77,177.61, 115,765.20 and 24,586.74 is: 36,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,177.61 : 115,765.20 = 24,586.74 : x
  2. Step 2: Convert to fraction form
    77,177.61/115,765.20 = 24,586.74/x
  3. Step 3: Cross multiply
    77,177.61x = 115,765.20 × 24,586.74
  4. Step 4: Simplify right side
    77,177.61x = 2,846,288,873.45
  5. Step 5: Solve for x
    x = 2,846,288,873.45/77,177.61
  6. Step 6: Final answer
    x = 36,879.72

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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.