Home / 53,719.21-80,456.19-25,659.04

Finding the Fourth Proportional to 53,719.21, 80,456.19 and 25,659.04

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Solution

The fourth proportional to 53,719.21, 80,456.19 and 25,659.04 is: 38,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.21 : 80,456.19 = 25,659.04 : x
  2. Step 2: Convert to fraction form
    53,719.21/80,456.19 = 25,659.04/x
  3. Step 3: Cross multiply
    53,719.21x = 80,456.19 × 25,659.04
  4. Step 4: Simplify right side
    53,719.21x = 2,064,428,597.46
  5. Step 5: Solve for x
    x = 2,064,428,597.46/53,719.21
  6. Step 6: Final answer
    x = 38,429.99

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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.