Home / 91,087.13-136,634.81-27,902.66

Finding the Fourth Proportional to 91,087.13, 136,634.81 and 27,902.66

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Solution

The fourth proportional to 91,087.13, 136,634.81 and 27,902.66 is: 41,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.13 : 136,634.81 = 27,902.66 : x
  2. Step 2: Convert to fraction form
    91,087.13/136,634.81 = 27,902.66/x
  3. Step 3: Cross multiply
    91,087.13x = 136,634.81 × 27,902.66
  4. Step 4: Simplify right side
    91,087.13x = 3,812,473,824.91
  5. Step 5: Solve for x
    x = 3,812,473,824.91/91,087.13
  6. Step 6: Final answer
    x = 41,855.24

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1.5x scale

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.