Home / 77,314.51-115,935.22-29,951.79

Finding the Fourth Proportional to 77,314.51, 115,935.22 and 29,951.79

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Solution

The fourth proportional to 77,314.51, 115,935.22 and 29,951.79 is: 44,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,314.51 : 115,935.22 = 29,951.79 : x
  2. Step 2: Convert to fraction form
    77,314.51/115,935.22 = 29,951.79/x
  3. Step 3: Cross multiply
    77,314.51x = 115,935.22 × 29,951.79
  4. Step 4: Simplify right side
    77,314.51x = 3,472,467,363.04
  5. Step 5: Solve for x
    x = 3,472,467,363.04/77,314.51
  6. Step 6: Final answer
    x = 44,913.53

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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.