Home / 66,151.35-99,193.01-19,398.15

Finding the Fourth Proportional to 66,151.35, 99,193.01 and 19,398.15

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Solution

The fourth proportional to 66,151.35, 99,193.01 and 19,398.15 is: 29,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,151.35 : 99,193.01 = 19,398.15 : x
  2. Step 2: Convert to fraction form
    66,151.35/99,193.01 = 19,398.15/x
  3. Step 3: Cross multiply
    66,151.35x = 99,193.01 × 19,398.15
  4. Step 4: Simplify right side
    66,151.35x = 1,924,160,789.94
  5. Step 5: Solve for x
    x = 1,924,160,789.94/66,151.35
  6. Step 6: Final answer
    x = 29,087.25

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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.