Home / 107,257.32-148,036.62-61,942.68

Finding the Fourth Proportional to 107,257.32, 148,036.62 and 61,942.68

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Solution

The fourth proportional to 107,257.32, 148,036.62 and 61,942.68 is: 85,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,257.32 : 148,036.62 = 61,942.68 : x
  2. Step 2: Convert to fraction form
    107,257.32/148,036.62 = 61,942.68/x
  3. Step 3: Cross multiply
    107,257.32x = 148,036.62 × 61,942.68
  4. Step 4: Simplify right side
    107,257.32x = 9,169,784,980.94
  5. Step 5: Solve for x
    x = 9,169,784,980.94/107,257.32
  6. Step 6: Final answer
    x = 85,493.33

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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.