Home / 66,156.39-99,251.19-19,409.27

Finding the Fourth Proportional to 66,156.39, 99,251.19 and 19,409.27

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Solution

The fourth proportional to 66,156.39, 99,251.19 and 19,409.27 is: 29,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.39 : 99,251.19 = 19,409.27 : x
  2. Step 2: Convert to fraction form
    66,156.39/99,251.19 = 19,409.27/x
  3. Step 3: Cross multiply
    66,156.39x = 99,251.19 × 19,409.27
  4. Step 4: Simplify right side
    66,156.39x = 1,926,392,648.28
  5. Step 5: Solve for x
    x = 1,926,392,648.28/66,156.39
  6. Step 6: Final answer
    x = 29,118.77

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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.