Home / 107,233.25-147,982.55-61,913.07

Finding the Fourth Proportional to 107,233.25, 147,982.55 and 61,913.07

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Solution

The fourth proportional to 107,233.25, 147,982.55 and 61,913.07 is: 85,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,233.25 : 147,982.55 = 61,913.07 : x
  2. Step 2: Convert to fraction form
    107,233.25/147,982.55 = 61,913.07/x
  3. Step 3: Cross multiply
    107,233.25x = 147,982.55 × 61,913.07
  4. Step 4: Simplify right side
    107,233.25x = 9,162,053,667.36
  5. Step 5: Solve for x
    x = 9,162,053,667.36/107,233.25
  6. Step 6: Final answer
    x = 85,440.42

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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.