Home / 86,837.50-130,254.82-27,672.38

Finding the Fourth Proportional to 86,837.50, 130,254.82 and 27,672.38

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Solution

The fourth proportional to 86,837.50, 130,254.82 and 27,672.38 is: 41,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837.50 : 130,254.82 = 27,672.38 : x
  2. Step 2: Convert to fraction form
    86,837.50/130,254.82 = 27,672.38/x
  3. Step 3: Cross multiply
    86,837.50x = 130,254.82 × 27,672.38
  4. Step 4: Simplify right side
    86,837.50x = 3,604,460,875.87
  5. Step 5: Solve for x
    x = 3,604,460,875.87/86,837.50
  6. Step 6: Final answer
    x = 41,508.11

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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.