Home / 88,103.46-121,583.65-47,817.58

Finding the Fourth Proportional to 88,103.46, 121,583.65 and 47,817.58

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Solution

The fourth proportional to 88,103.46, 121,583.65 and 47,817.58 is: 65,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.46 : 121,583.65 = 47,817.58 : x
  2. Step 2: Convert to fraction form
    88,103.46/121,583.65 = 47,817.58/x
  3. Step 3: Cross multiply
    88,103.46x = 121,583.65 × 47,817.58
  4. Step 4: Simplify right side
    88,103.46x = 5,813,835,910.57
  5. Step 5: Solve for x
    x = 5,813,835,910.57/88,103.46
  6. Step 6: Final answer
    x = 65,988.74

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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.