Home / 83,827.89-115,672.79-48,015.77

Finding the Fourth Proportional to 83,827.89, 115,672.79 and 48,015.77

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Solution

The fourth proportional to 83,827.89, 115,672.79 and 48,015.77 is: 66,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.89 : 115,672.79 = 48,015.77 : x
  2. Step 2: Convert to fraction form
    83,827.89/115,672.79 = 48,015.77/x
  3. Step 3: Cross multiply
    83,827.89x = 115,672.79 × 48,015.77
  4. Step 4: Simplify right side
    83,827.89x = 5,554,117,621.57
  5. Step 5: Solve for x
    x = 5,554,117,621.57/83,827.89
  6. Step 6: Final answer
    x = 66,256.20

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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.