Home / 83,759.10-115,614.51-53,625.58

Finding the Fourth Proportional to 83,759.10, 115,614.51 and 53,625.58

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Solution

The fourth proportional to 83,759.10, 115,614.51 and 53,625.58 is: 74,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,759.10 : 115,614.51 = 53,625.58 : x
  2. Step 2: Convert to fraction form
    83,759.10/115,614.51 = 53,625.58/x
  3. Step 3: Cross multiply
    83,759.10x = 115,614.51 × 53,625.58
  4. Step 4: Simplify right side
    83,759.10x = 6,199,894,665.03
  5. Step 5: Solve for x
    x = 6,199,894,665.03/83,759.10
  6. Step 6: Final answer
    x = 74,020.55

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1.5x scale

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.