Home / 66,105.19-99,197.18-23,988.55

Finding the Fourth Proportional to 66,105.19, 99,197.18 and 23,988.55

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Solution

The fourth proportional to 66,105.19, 99,197.18 and 23,988.55 is: 35,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105.19 : 99,197.18 = 23,988.55 : x
  2. Step 2: Convert to fraction form
    66,105.19/99,197.18 = 23,988.55/x
  3. Step 3: Cross multiply
    66,105.19x = 99,197.18 × 23,988.55
  4. Step 4: Simplify right side
    66,105.19x = 2,379,596,392.35
  5. Step 5: Solve for x
    x = 2,379,596,392.35/66,105.19
  6. Step 6: Final answer
    x = 35,997.12

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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.