Home / 83,348.94-115,021.32-45,108.57

Finding the Fourth Proportional to 83,348.94, 115,021.32 and 45,108.57

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Solution

The fourth proportional to 83,348.94, 115,021.32 and 45,108.57 is: 62,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,348.94 : 115,021.32 = 45,108.57 : x
  2. Step 2: Convert to fraction form
    83,348.94/115,021.32 = 45,108.57/x
  3. Step 3: Cross multiply
    83,348.94x = 115,021.32 × 45,108.57
  4. Step 4: Simplify right side
    83,348.94x = 5,188,446,937.00
  5. Step 5: Solve for x
    x = 5,188,446,937.00/83,348.94
  6. Step 6: Final answer
    x = 62,249.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.