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Finding the Fourth Proportional to 61,108.88, 91,681.13 and 26,052.08

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Solution

The fourth proportional to 61,108.88, 91,681.13 and 26,052.08 is: 39,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.88 : 91,681.13 = 26,052.08 : x
  2. Step 2: Convert to fraction form
    61,108.88/91,681.13 = 26,052.08/x
  3. Step 3: Cross multiply
    61,108.88x = 91,681.13 × 26,052.08
  4. Step 4: Simplify right side
    61,108.88x = 2,388,483,739.97
  5. Step 5: Solve for x
    x = 2,388,483,739.97/61,108.88
  6. Step 6: Final answer
    x = 39,085.71

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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.