Home / 66,148.38-99,203.13-19,395.18

Finding the Fourth Proportional to 66,148.38, 99,203.13 and 19,395.18

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Solution

The fourth proportional to 66,148.38, 99,203.13 and 19,395.18 is: 29,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.38 : 99,203.13 = 19,395.18 : x
  2. Step 2: Convert to fraction form
    66,148.38/99,203.13 = 19,395.18/x
  3. Step 3: Cross multiply
    66,148.38x = 99,203.13 × 19,395.18
  4. Step 4: Simplify right side
    66,148.38x = 1,924,062,562.91
  5. Step 5: Solve for x
    x = 1,924,062,562.91/66,148.38
  6. Step 6: Final answer
    x = 29,087.07

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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.