Home / 107,724.66-148,661.06-59,979.03

Finding the Fourth Proportional to 107,724.66, 148,661.06 and 59,979.03

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Solution

The fourth proportional to 107,724.66, 148,661.06 and 59,979.03 is: 82,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,724.66 : 148,661.06 = 59,979.03 : x
  2. Step 2: Convert to fraction form
    107,724.66/148,661.06 = 59,979.03/x
  3. Step 3: Cross multiply
    107,724.66x = 148,661.06 × 59,979.03
  4. Step 4: Simplify right side
    107,724.66x = 8,916,545,877.68
  5. Step 5: Solve for x
    x = 8,916,545,877.68/107,724.66
  6. Step 6: Final answer
    x = 82,771.63

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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.