Home / 107,255.07-148,033.53-61,940.43

Finding the Fourth Proportional to 107,255.07, 148,033.53 and 61,940.43

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Solution

The fourth proportional to 107,255.07, 148,033.53 and 61,940.43 is: 85,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,255.07 : 148,033.53 = 61,940.43 : x
  2. Step 2: Convert to fraction form
    107,255.07/148,033.53 = 61,940.43/x
  3. Step 3: Cross multiply
    107,255.07x = 148,033.53 × 61,940.43
  4. Step 4: Simplify right side
    107,255.07x = 9,169,260,502.62
  5. Step 5: Solve for x
    x = 9,169,260,502.62/107,255.07
  6. Step 6: Final answer
    x = 85,490.23

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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.