Home / 83,824.87-125,724.99-27,666.81

Finding the Fourth Proportional to 83,824.87, 125,724.99 and 27,666.81

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Solution

The fourth proportional to 83,824.87, 125,724.99 and 27,666.81 is: 41,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,824.87 : 125,724.99 = 27,666.81 : x
  2. Step 2: Convert to fraction form
    83,824.87/125,724.99 = 27,666.81/x
  3. Step 3: Cross multiply
    83,824.87x = 125,724.99 × 27,666.81
  4. Step 4: Simplify right side
    83,824.87x = 3,478,409,985.80
  5. Step 5: Solve for x
    x = 3,478,409,985.80/83,824.87
  6. Step 6: Final answer
    x = 41,496.16

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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.