Home / 77,122.83-115,659.50-24,520.02

Finding the Fourth Proportional to 77,122.83, 115,659.50 and 24,520.02

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Solution

The fourth proportional to 77,122.83, 115,659.50 and 24,520.02 is: 36,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,122.83 : 115,659.50 = 24,520.02 : x
  2. Step 2: Convert to fraction form
    77,122.83/115,659.50 = 24,520.02/x
  3. Step 3: Cross multiply
    77,122.83x = 115,659.50 × 24,520.02
  4. Step 4: Simplify right side
    77,122.83x = 2,835,972,696.87
  5. Step 5: Solve for x
    x = 2,835,972,696.87/77,122.83
  6. Step 6: Final answer
    x = 36,772.15

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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.