Home / 71,827.91-107,837.09-61,365.17

Finding the Fourth Proportional to 71,827.91, 107,837.09 and 61,365.17

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Solution

The fourth proportional to 71,827.91, 107,837.09 and 61,365.17 is: 92,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,827.91 : 107,837.09 = 61,365.17 : x
  2. Step 2: Convert to fraction form
    71,827.91/107,837.09 = 61,365.17/x
  3. Step 3: Cross multiply
    71,827.91x = 107,837.09 × 61,365.17
  4. Step 4: Simplify right side
    71,827.91x = 6,617,440,514.14
  5. Step 5: Solve for x
    x = 6,617,440,514.14/71,827.91
  6. Step 6: Final answer
    x = 92,129.10

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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.