Home / 91,087.32-136,635.09-27,902.84

Finding the Fourth Proportional to 91,087.32, 136,635.09 and 27,902.84

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Solution

The fourth proportional to 91,087.32, 136,635.09 and 27,902.84 is: 41,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.32 : 136,635.09 = 27,902.84 : x
  2. Step 2: Convert to fraction form
    91,087.32/136,635.09 = 27,902.84/x
  3. Step 3: Cross multiply
    91,087.32x = 136,635.09 × 27,902.84
  4. Step 4: Simplify right side
    91,087.32x = 3,812,506,266.84
  5. Step 5: Solve for x
    x = 3,812,506,266.84/91,087.32
  6. Step 6: Final answer
    x = 41,855.51

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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.