Home / 61,215.15-91,767.38-21,763.04

Finding the Fourth Proportional to 61,215.15, 91,767.38 and 21,763.04

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Solution

The fourth proportional to 61,215.15, 91,767.38 and 21,763.04 is: 32,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.15 : 91,767.38 = 21,763.04 : x
  2. Step 2: Convert to fraction form
    61,215.15/91,767.38 = 21,763.04/x
  3. Step 3: Cross multiply
    61,215.15x = 91,767.38 × 21,763.04
  4. Step 4: Simplify right side
    61,215.15x = 1,997,137,282.24
  5. Step 5: Solve for x
    x = 1,997,137,282.24/61,215.15
  6. Step 6: Final answer
    x = 32,624.88

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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.