Home / 112,958.11-169,437.75-38,078.91

Finding the Fourth Proportional to 112,958.11, 169,437.75 and 38,078.91

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Solution

The fourth proportional to 112,958.11, 169,437.75 and 38,078.91 is: 57,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.11 : 169,437.75 = 38,078.91 : x
  2. Step 2: Convert to fraction form
    112,958.11/169,437.75 = 38,078.91/x
  3. Step 3: Cross multiply
    112,958.11x = 169,437.75 × 38,078.91
  4. Step 4: Simplify right side
    112,958.11x = 6,452,004,832.85
  5. Step 5: Solve for x
    x = 6,452,004,832.85/112,958.11
  6. Step 6: Final answer
    x = 57,118.56

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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.