Home / 109,318.77-150,860.75-61,567.65

Finding the Fourth Proportional to 109,318.77, 150,860.75 and 61,567.65

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Solution

The fourth proportional to 109,318.77, 150,860.75 and 61,567.65 is: 84,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.77 : 150,860.75 = 61,567.65 : x
  2. Step 2: Convert to fraction form
    109,318.77/150,860.75 = 61,567.65/x
  3. Step 3: Cross multiply
    109,318.77x = 150,860.75 × 61,567.65
  4. Step 4: Simplify right side
    109,318.77x = 9,288,141,546.90
  5. Step 5: Solve for x
    x = 9,288,141,546.90/109,318.77
  6. Step 6: Final answer
    x = 84,963.83

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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.