Home / 111,837.12-154,338.12-60,853.08

Finding the Fourth Proportional to 111,837.12, 154,338.12 and 60,853.08

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Solution

The fourth proportional to 111,837.12, 154,338.12 and 60,853.08 is: 83,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,837.12 : 154,338.12 = 60,853.08 : x
  2. Step 2: Convert to fraction form
    111,837.12/154,338.12 = 60,853.08/x
  3. Step 3: Cross multiply
    111,837.12x = 154,338.12 × 60,853.08
  4. Step 4: Simplify right side
    111,837.12x = 9,391,949,963.41
  5. Step 5: Solve for x
    x = 9,391,949,963.41/111,837.12
  6. Step 6: Final answer
    x = 83,978.83

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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.