Home / 71,828.13-107,742.50-25,081.01

Finding the Fourth Proportional to 71,828.13, 107,742.50 and 25,081.01

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Solution

The fourth proportional to 71,828.13, 107,742.50 and 25,081.01 is: 37,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,828.13 : 107,742.50 = 25,081.01 : x
  2. Step 2: Convert to fraction form
    71,828.13/107,742.50 = 25,081.01/x
  3. Step 3: Cross multiply
    71,828.13x = 107,742.50 × 25,081.01
  4. Step 4: Simplify right side
    71,828.13x = 2,702,290,719.93
  5. Step 5: Solve for x
    x = 2,702,290,719.93/71,828.13
  6. Step 6: Final answer
    x = 37,621.62

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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.