Home / 77,312.51-115,932.22-29,949.79

Finding the Fourth Proportional to 77,312.51, 115,932.22 and 29,949.79

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Solution

The fourth proportional to 77,312.51, 115,932.22 and 29,949.79 is: 44,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.51 : 115,932.22 = 29,949.79 : x
  2. Step 2: Convert to fraction form
    77,312.51/115,932.22 = 29,949.79/x
  3. Step 3: Cross multiply
    77,312.51x = 115,932.22 × 29,949.79
  4. Step 4: Simplify right side
    77,312.51x = 3,472,145,278.53
  5. Step 5: Solve for x
    x = 3,472,145,278.53/77,312.51
  6. Step 6: Final answer
    x = 44,910.52

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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.