Home / 65,694.74-98,456.40-30,143.22

Finding the Fourth Proportional to 65,694.74, 98,456.40 and 30,143.22

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Solution

The fourth proportional to 65,694.74, 98,456.40 and 30,143.22 is: 45,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.74 : 98,456.40 = 30,143.22 : x
  2. Step 2: Convert to fraction form
    65,694.74/98,456.40 = 30,143.22/x
  3. Step 3: Cross multiply
    65,694.74x = 98,456.40 × 30,143.22
  4. Step 4: Simplify right side
    65,694.74x = 2,967,792,925.61
  5. Step 5: Solve for x
    x = 2,967,792,925.61/65,694.74
  6. Step 6: Final answer
    x = 45,175.51

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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.