Home / 113,845.95-170,872.20-57,725.10

Finding the Fourth Proportional to 113,845.95, 170,872.20 and 57,725.10

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Solution

The fourth proportional to 113,845.95, 170,872.20 and 57,725.10 is: 86,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.95 : 170,872.20 = 57,725.10 : x
  2. Step 2: Convert to fraction form
    113,845.95/170,872.20 = 57,725.10/x
  3. Step 3: Cross multiply
    113,845.95x = 170,872.20 × 57,725.10
  4. Step 4: Simplify right side
    113,845.95x = 9,863,614,832.22
  5. Step 5: Solve for x
    x = 9,863,614,832.22/113,845.95
  6. Step 6: Final answer
    x = 86,640.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.