Home / 88,103.73-121,583.26-47,817.49

Finding the Fourth Proportional to 88,103.73, 121,583.26 and 47,817.49

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Solution

The fourth proportional to 88,103.73, 121,583.26 and 47,817.49 is: 65,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.73 : 121,583.26 = 47,817.49 : x
  2. Step 2: Convert to fraction form
    88,103.73/121,583.26 = 47,817.49/x
  3. Step 3: Cross multiply
    88,103.73x = 121,583.26 × 47,817.49
  4. Step 4: Simplify right side
    88,103.73x = 5,813,806,303.00
  5. Step 5: Solve for x
    x = 5,813,806,303.00/88,103.73
  6. Step 6: Final answer
    x = 65,988.20

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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.