Home / 66,627.84-99,897.30-27,174.36

Finding the Fourth Proportional to 66,627.84, 99,897.30 and 27,174.36

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Solution

The fourth proportional to 66,627.84, 99,897.30 and 27,174.36 is: 40,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,627.84 : 99,897.30 = 27,174.36 : x
  2. Step 2: Convert to fraction form
    66,627.84/99,897.30 = 27,174.36/x
  3. Step 3: Cross multiply
    66,627.84x = 99,897.30 × 27,174.36
  4. Step 4: Simplify right side
    66,627.84x = 2,714,645,193.23
  5. Step 5: Solve for x
    x = 2,714,645,193.23/66,627.84
  6. Step 6: Final answer
    x = 40,743.41

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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.