Home / 79,412.22-119,132.91-26,107.20

Finding the Fourth Proportional to 79,412.22, 119,132.91 and 26,107.20

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Solution

The fourth proportional to 79,412.22, 119,132.91 and 26,107.20 is: 39,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,412.22 : 119,132.91 = 26,107.20 : x
  2. Step 2: Convert to fraction form
    79,412.22/119,132.91 = 26,107.20/x
  3. Step 3: Cross multiply
    79,412.22x = 119,132.91 × 26,107.20
  4. Step 4: Simplify right side
    79,412.22x = 3,110,226,707.95
  5. Step 5: Solve for x
    x = 3,110,226,707.95/79,412.22
  6. Step 6: Final answer
    x = 39,165.59

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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.