Home / 86,553.71-129,817.57-27,381.69

Finding the Fourth Proportional to 86,553.71, 129,817.57 and 27,381.69

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Solution

The fourth proportional to 86,553.71, 129,817.57 and 27,381.69 is: 41,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,553.71 : 129,817.57 = 27,381.69 : x
  2. Step 2: Convert to fraction form
    86,553.71/129,817.57 = 27,381.69/x
  3. Step 3: Cross multiply
    86,553.71x = 129,817.57 × 27,381.69
  4. Step 4: Simplify right side
    86,553.71x = 3,554,624,458.29
  5. Step 5: Solve for x
    x = 3,554,624,458.29/86,553.71
  6. Step 6: Final answer
    x = 41,068.42

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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.