Home / 71,917.18-107,875.77-25,159.30

Finding the Fourth Proportional to 71,917.18, 107,875.77 and 25,159.30

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Solution

The fourth proportional to 71,917.18, 107,875.77 and 25,159.30 is: 37,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,917.18 : 107,875.77 = 25,159.30 : x
  2. Step 2: Convert to fraction form
    71,917.18/107,875.77 = 25,159.30/x
  3. Step 3: Cross multiply
    71,917.18x = 107,875.77 × 25,159.30
  4. Step 4: Simplify right side
    71,917.18x = 2,714,078,860.16
  5. Step 5: Solve for x
    x = 2,714,078,860.16/71,917.18
  6. Step 6: Final answer
    x = 37,738.95

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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.