Home / 83,975.10-115,877.06-51,704.58

Finding the Fourth Proportional to 83,975.10, 115,877.06 and 51,704.58

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Solution

The fourth proportional to 83,975.10, 115,877.06 and 51,704.58 is: 71,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,975.10 : 115,877.06 = 51,704.58 : x
  2. Step 2: Convert to fraction form
    83,975.10/115,877.06 = 51,704.58/x
  3. Step 3: Cross multiply
    83,975.10x = 115,877.06 × 51,704.58
  4. Step 4: Simplify right side
    83,975.10x = 5,991,374,718.93
  5. Step 5: Solve for x
    x = 5,991,374,718.93/83,975.10
  6. Step 6: Final answer
    x = 71,347.04

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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.