Home / 88,684.88-122,385.33-56,896.83

Finding the Fourth Proportional to 88,684.88, 122,385.33 and 56,896.83

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Solution

The fourth proportional to 88,684.88, 122,385.33 and 56,896.83 is: 78,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.88 : 122,385.33 = 56,896.83 : x
  2. Step 2: Convert to fraction form
    88,684.88/122,385.33 = 56,896.83/x
  3. Step 3: Cross multiply
    88,684.88x = 122,385.33 × 56,896.83
  4. Step 4: Simplify right side
    88,684.88x = 6,963,337,315.50
  5. Step 5: Solve for x
    x = 6,963,337,315.50/88,684.88
  6. Step 6: Final answer
    x = 78,517.76

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1.5x scale

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.