Home / 77,482.12-116,229.66-27,589.36

Finding the Fourth Proportional to 77,482.12, 116,229.66 and 27,589.36

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Solution

The fourth proportional to 77,482.12, 116,229.66 and 27,589.36 is: 41,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,482.12 : 116,229.66 = 27,589.36 : x
  2. Step 2: Convert to fraction form
    77,482.12/116,229.66 = 27,589.36/x
  3. Step 3: Cross multiply
    77,482.12x = 116,229.66 × 27,589.36
  4. Step 4: Simplify right side
    77,482.12x = 3,206,701,932.42
  5. Step 5: Solve for x
    x = 3,206,701,932.42/77,482.12
  6. Step 6: Final answer
    x = 41,386.35

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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.