Home / 66,149.38-99,204.63-19,396.18

Finding the Fourth Proportional to 66,149.38, 99,204.63 and 19,396.18

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Solution

The fourth proportional to 66,149.38, 99,204.63 and 19,396.18 is: 29,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.38 : 99,204.63 = 19,396.18 : x
  2. Step 2: Convert to fraction form
    66,149.38/99,204.63 = 19,396.18/x
  3. Step 3: Cross multiply
    66,149.38x = 99,204.63 × 19,396.18
  4. Step 4: Simplify right side
    66,149.38x = 1,924,190,860.31
  5. Step 5: Solve for x
    x = 1,924,190,860.31/66,149.38
  6. Step 6: Final answer
    x = 29,088.57

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1.5x scale

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.