Home / 61,921.22-92,867.28-19,805.06

Finding the Fourth Proportional to 61,921.22, 92,867.28 and 19,805.06

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Solution

The fourth proportional to 61,921.22, 92,867.28 and 19,805.06 is: 29,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.22 : 92,867.28 = 19,805.06 : x
  2. Step 2: Convert to fraction form
    61,921.22/92,867.28 = 19,805.06/x
  3. Step 3: Cross multiply
    61,921.22x = 92,867.28 × 19,805.06
  4. Step 4: Simplify right side
    61,921.22x = 1,839,242,052.44
  5. Step 5: Solve for x
    x = 1,839,242,052.44/61,921.22
  6. Step 6: Final answer
    x = 29,702.94

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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.