Home / 88,687.14-122,391.10-50,445.70

Finding the Fourth Proportional to 88,687.14, 122,391.10 and 50,445.70

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Solution

The fourth proportional to 88,687.14, 122,391.10 and 50,445.70 is: 69,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.14 : 122,391.10 = 50,445.70 : x
  2. Step 2: Convert to fraction form
    88,687.14/122,391.10 = 50,445.70/x
  3. Step 3: Cross multiply
    88,687.14x = 122,391.10 × 50,445.70
  4. Step 4: Simplify right side
    88,687.14x = 6,174,104,713.27
  5. Step 5: Solve for x
    x = 6,174,104,713.27/88,687.14
  6. Step 6: Final answer
    x = 69,616.69

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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.