Home / 111,073.40-153,282.04-68,052.97

Finding the Fourth Proportional to 111,073.40, 153,282.04 and 68,052.97

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Solution

The fourth proportional to 111,073.40, 153,282.04 and 68,052.97 is: 93,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,073.40 : 153,282.04 = 68,052.97 : x
  2. Step 2: Convert to fraction form
    111,073.40/153,282.04 = 68,052.97/x
  3. Step 3: Cross multiply
    111,073.40x = 153,282.04 × 68,052.97
  4. Step 4: Simplify right side
    111,073.40x = 10,431,298,091.13
  5. Step 5: Solve for x
    x = 10,431,298,091.13/111,073.40
  6. Step 6: Final answer
    x = 93,913.56

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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.