Home / 107,717.25-148,657.71-77,093.22

Finding the Fourth Proportional to 107,717.25, 148,657.71 and 77,093.22

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Solution

The fourth proportional to 107,717.25, 148,657.71 and 77,093.22 is: 106,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,717.25 : 148,657.71 = 77,093.22 : x
  2. Step 2: Convert to fraction form
    107,717.25/148,657.71 = 77,093.22/x
  3. Step 3: Cross multiply
    107,717.25x = 148,657.71 × 77,093.22
  4. Step 4: Simplify right side
    107,717.25x = 11,460,501,541.73
  5. Step 5: Solve for x
    x = 11,460,501,541.73/107,717.25
  6. Step 6: Final answer
    x = 106,394.30

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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.