Home / 86,837.13-130,253.27-27,676.35

Finding the Fourth Proportional to 86,837.13, 130,253.27 and 27,676.35

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Solution

The fourth proportional to 86,837.13, 130,253.27 and 27,676.35 is: 41,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,837.13 : 130,253.27 = 27,676.35 : x
  2. Step 2: Convert to fraction form
    86,837.13/130,253.27 = 27,676.35/x
  3. Step 3: Cross multiply
    86,837.13x = 130,253.27 × 27,676.35
  4. Step 4: Simplify right side
    86,837.13x = 3,604,934,950.78
  5. Step 5: Solve for x
    x = 3,604,934,950.78/86,837.13
  6. Step 6: Final answer
    x = 41,513.75

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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.