Home / 83,787.52-115,580.64-53,104.48

Finding the Fourth Proportional to 83,787.52, 115,580.64 and 53,104.48

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Solution

The fourth proportional to 83,787.52, 115,580.64 and 53,104.48 is: 73,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,787.52 : 115,580.64 = 53,104.48 : x
  2. Step 2: Convert to fraction form
    83,787.52/115,580.64 = 53,104.48/x
  3. Step 3: Cross multiply
    83,787.52x = 115,580.64 × 53,104.48
  4. Step 4: Simplify right side
    83,787.52x = 6,137,849,785.27
  5. Step 5: Solve for x
    x = 6,137,849,785.27/83,787.52
  6. Step 6: Final answer
    x = 73,254.94

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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.