Home / 96,701.97-145,275.30-68,690.16

Finding the Fourth Proportional to 96,701.97, 145,275.30 and 68,690.16

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Solution

The fourth proportional to 96,701.97, 145,275.30 and 68,690.16 is: 103,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,701.97 : 145,275.30 = 68,690.16 : x
  2. Step 2: Convert to fraction form
    96,701.97/145,275.30 = 68,690.16/x
  3. Step 3: Cross multiply
    96,701.97x = 145,275.30 × 68,690.16
  4. Step 4: Simplify right side
    96,701.97x = 9,978,983,601.05
  5. Step 5: Solve for x
    x = 9,978,983,601.05/96,701.97
  6. Step 6: Final answer
    x = 103,193.18

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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.