Home / 83,364.29-115,042.73-45,638.54

Finding the Fourth Proportional to 83,364.29, 115,042.73 and 45,638.54

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Solution

The fourth proportional to 83,364.29, 115,042.73 and 45,638.54 is: 62,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,364.29 : 115,042.73 = 45,638.54 : x
  2. Step 2: Convert to fraction form
    83,364.29/115,042.73 = 45,638.54/x
  3. Step 3: Cross multiply
    83,364.29x = 115,042.73 × 45,638.54
  4. Step 4: Simplify right side
    83,364.29x = 5,250,381,431.41
  5. Step 5: Solve for x
    x = 5,250,381,431.41/83,364.29
  6. Step 6: Final answer
    x = 62,981.18

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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.