Home / 96,990.25-145,468.81-26,853.16

Finding the Fourth Proportional to 96,990.25, 145,468.81 and 26,853.16

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Solution

The fourth proportional to 96,990.25, 145,468.81 and 26,853.16 is: 40,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,990.25 : 145,468.81 = 26,853.16 : x
  2. Step 2: Convert to fraction form
    96,990.25/145,468.81 = 26,853.16/x
  3. Step 3: Cross multiply
    96,990.25x = 145,468.81 × 26,853.16
  4. Step 4: Simplify right side
    96,990.25x = 3,906,297,229.94
  5. Step 5: Solve for x
    x = 3,906,297,229.94/96,990.25
  6. Step 6: Final answer
    x = 40,275.15

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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.