Home / 91,069.38-136,571.27-38,482.97

Finding the Fourth Proportional to 91,069.38, 136,571.27 and 38,482.97

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Solution

The fourth proportional to 91,069.38, 136,571.27 and 38,482.97 is: 57,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.38 : 136,571.27 = 38,482.97 : x
  2. Step 2: Convert to fraction form
    91,069.38/136,571.27 = 38,482.97/x
  3. Step 3: Cross multiply
    91,069.38x = 136,571.27 × 38,482.97
  4. Step 4: Simplify right side
    91,069.38x = 5,255,667,211.00
  5. Step 5: Solve for x
    x = 5,255,667,211.00/91,069.38
  6. Step 6: Final answer
    x = 57,710.59

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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.