Home / 91,567.33-137,439.79-44,215.88

Finding the Fourth Proportional to 91,567.33, 137,439.79 and 44,215.88

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Solution

The fourth proportional to 91,567.33, 137,439.79 and 44,215.88 is: 66,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.33 : 137,439.79 = 44,215.88 : x
  2. Step 2: Convert to fraction form
    91,567.33/137,439.79 = 44,215.88/x
  3. Step 3: Cross multiply
    91,567.33x = 137,439.79 × 44,215.88
  4. Step 4: Simplify right side
    91,567.33x = 6,077,020,464.13
  5. Step 5: Solve for x
    x = 6,077,020,464.13/91,567.33
  6. Step 6: Final answer
    x = 66,366.69

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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.