Home / 77,149.88-115,723.98-58,544.18

Finding the Fourth Proportional to 77,149.88, 115,723.98 and 58,544.18

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Solution

The fourth proportional to 77,149.88, 115,723.98 and 58,544.18 is: 87,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,149.88 : 115,723.98 = 58,544.18 : x
  2. Step 2: Convert to fraction form
    77,149.88/115,723.98 = 58,544.18/x
  3. Step 3: Cross multiply
    77,149.88x = 115,723.98 × 58,544.18
  4. Step 4: Simplify right side
    77,149.88x = 6,774,965,370.78
  5. Step 5: Solve for x
    x = 6,774,965,370.78/77,149.88
  6. Step 6: Final answer
    x = 87,815.63

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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.