Home / 66,008.04-99,016.38-19,257

Finding the Fourth Proportional to 66,008.04, 99,016.38 and 19,257

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Solution

The fourth proportional to 66,008.04, 99,016.38 and 19,257 is: 28,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.04 : 99,016.38 = 19,257 : x
  2. Step 2: Convert to fraction form
    66,008.04/99,016.38 = 19,257/x
  3. Step 3: Cross multiply
    66,008.04x = 99,016.38 × 19,257
  4. Step 4: Simplify right side
    66,008.04x = 1,906,758,429.66
  5. Step 5: Solve for x
    x = 1,906,758,429.66/66,008.04
  6. Step 6: Final answer
    x = 28,886.76

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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.