Home / 88,103.77-121,583.33-47,817.54

Finding the Fourth Proportional to 88,103.77, 121,583.33 and 47,817.54

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Solution

The fourth proportional to 88,103.77, 121,583.33 and 47,817.54 is: 65,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.77 : 121,583.33 = 47,817.54 : x
  2. Step 2: Convert to fraction form
    88,103.77/121,583.33 = 47,817.54/x
  3. Step 3: Cross multiply
    88,103.77x = 121,583.33 × 47,817.54
  4. Step 4: Simplify right side
    88,103.77x = 5,813,815,110.35
  5. Step 5: Solve for x
    x = 5,813,815,110.35/88,103.77
  6. Step 6: Final answer
    x = 65,988.26

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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.