Home / 86,824.32-130,253.76-27,658.08

Finding the Fourth Proportional to 86,824.32, 130,253.76 and 27,658.08

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Solution

The fourth proportional to 86,824.32, 130,253.76 and 27,658.08 is: 41,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824.32 : 130,253.76 = 27,658.08 : x
  2. Step 2: Convert to fraction form
    86,824.32/130,253.76 = 27,658.08/x
  3. Step 3: Cross multiply
    86,824.32x = 130,253.76 × 27,658.08
  4. Step 4: Simplify right side
    86,824.32x = 3,602,568,914.38
  5. Step 5: Solve for x
    x = 3,602,568,914.38/86,824.32
  6. Step 6: Final answer
    x = 41,492.62

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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.