Home / 67,995.24-101,992.85-21,248.12

Finding the Fourth Proportional to 67,995.24, 101,992.85 and 21,248.12

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Solution

The fourth proportional to 67,995.24, 101,992.85 and 21,248.12 is: 31,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,995.24 : 101,992.85 = 21,248.12 : x
  2. Step 2: Convert to fraction form
    67,995.24/101,992.85 = 21,248.12/x
  3. Step 3: Cross multiply
    67,995.24x = 101,992.85 × 21,248.12
  4. Step 4: Simplify right side
    67,995.24x = 2,167,155,699.74
  5. Step 5: Solve for x
    x = 2,167,155,699.74/67,995.24
  6. Step 6: Final answer
    x = 31,872.17

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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.