Home / 88,695.45-122,367.63-68,283.75

Finding the Fourth Proportional to 88,695.45, 122,367.63 and 68,283.75

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Solution

The fourth proportional to 88,695.45, 122,367.63 and 68,283.75 is: 94,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,695.45 : 122,367.63 = 68,283.75 : x
  2. Step 2: Convert to fraction form
    88,695.45/122,367.63 = 68,283.75/x
  3. Step 3: Cross multiply
    88,695.45x = 122,367.63 × 68,283.75
  4. Step 4: Simplify right side
    88,695.45x = 8,355,720,655.01
  5. Step 5: Solve for x
    x = 8,355,720,655.01/88,695.45
  6. Step 6: Final answer
    x = 94,206.87

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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.