Home / 91,158.60-136,759.91-34,232.97

Finding the Fourth Proportional to 91,158.60, 136,759.91 and 34,232.97

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Solution

The fourth proportional to 91,158.60, 136,759.91 and 34,232.97 is: 51,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,158.60 : 136,759.91 = 34,232.97 : x
  2. Step 2: Convert to fraction form
    91,158.60/136,759.91 = 34,232.97/x
  3. Step 3: Cross multiply
    91,158.60x = 136,759.91 × 34,232.97
  4. Step 4: Simplify right side
    91,158.60x = 4,681,697,725.07
  5. Step 5: Solve for x
    x = 4,681,697,725.07/91,158.60
  6. Step 6: Final answer
    x = 51,357.72

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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.