Home / 66,592.21-99,869.58-18,549.90

Finding the Fourth Proportional to 66,592.21, 99,869.58 and 18,549.90

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Solution

The fourth proportional to 66,592.21, 99,869.58 and 18,549.90 is: 27,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592.21 : 99,869.58 = 18,549.90 : x
  2. Step 2: Convert to fraction form
    66,592.21/99,869.58 = 18,549.90/x
  3. Step 3: Cross multiply
    66,592.21x = 99,869.58 × 18,549.90
  4. Step 4: Simplify right side
    66,592.21x = 1,852,570,722.04
  5. Step 5: Solve for x
    x = 1,852,570,722.04/66,592.21
  6. Step 6: Final answer
    x = 27,819.63

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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.