Home / 86,250.84-129,367.76-27,084.93

Finding the Fourth Proportional to 86,250.84, 129,367.76 and 27,084.93

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Solution

The fourth proportional to 86,250.84, 129,367.76 and 27,084.93 is: 40,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.84 : 129,367.76 = 27,084.93 : x
  2. Step 2: Convert to fraction form
    86,250.84/129,367.76 = 27,084.93/x
  3. Step 3: Cross multiply
    86,250.84x = 129,367.76 × 27,084.93
  4. Step 4: Simplify right side
    86,250.84x = 3,503,916,588.43
  5. Step 5: Solve for x
    x = 3,503,916,588.43/86,250.84
  6. Step 6: Final answer
    x = 40,624.72

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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.