Home / 113,815.40-170,832.45-57,718.85

Finding the Fourth Proportional to 113,815.40, 170,832.45 and 57,718.85

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Solution

The fourth proportional to 113,815.40, 170,832.45 and 57,718.85 is: 86,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.40 : 170,832.45 = 57,718.85 : x
  2. Step 2: Convert to fraction form
    113,815.40/170,832.45 = 57,718.85/x
  3. Step 3: Cross multiply
    113,815.40x = 170,832.45 × 57,718.85
  4. Step 4: Simplify right side
    113,815.40x = 9,860,252,556.68
  5. Step 5: Solve for x
    x = 9,860,252,556.68/113,815.40
  6. Step 6: Final answer
    x = 86,633.73

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1.5x scale

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.