Home / 57,987.24-80,016.03-34,121.40

Finding the Fourth Proportional to 57,987.24, 80,016.03 and 34,121.40

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Solution

The fourth proportional to 57,987.24, 80,016.03 and 34,121.40 is: 47,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.24 : 80,016.03 = 34,121.40 : x
  2. Step 2: Convert to fraction form
    57,987.24/80,016.03 = 34,121.40/x
  3. Step 3: Cross multiply
    57,987.24x = 80,016.03 × 34,121.40
  4. Step 4: Simplify right side
    57,987.24x = 2,730,258,966.04
  5. Step 5: Solve for x
    x = 2,730,258,966.04/57,987.24
  6. Step 6: Final answer
    x = 47,083.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.