Home / 109,839.80-151,585.44-62,097.60

Finding the Fourth Proportional to 109,839.80, 151,585.44 and 62,097.60

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Solution

The fourth proportional to 109,839.80, 151,585.44 and 62,097.60 is: 85,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.80 : 151,585.44 = 62,097.60 : x
  2. Step 2: Convert to fraction form
    109,839.80/151,585.44 = 62,097.60/x
  3. Step 3: Cross multiply
    109,839.80x = 151,585.44 × 62,097.60
  4. Step 4: Simplify right side
    109,839.80x = 9,413,092,018.94
  5. Step 5: Solve for x
    x = 9,413,092,018.94/109,839.80
  6. Step 6: Final answer
    x = 85,698.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.