Home / 88,780.50-122,517.09-49,039.06

Finding the Fourth Proportional to 88,780.50, 122,517.09 and 49,039.06

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Solution

The fourth proportional to 88,780.50, 122,517.09 and 49,039.06 is: 67,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,780.50 : 122,517.09 = 49,039.06 : x
  2. Step 2: Convert to fraction form
    88,780.50/122,517.09 = 49,039.06/x
  3. Step 3: Cross multiply
    88,780.50x = 122,517.09 × 49,039.06
  4. Step 4: Simplify right side
    88,780.50x = 6,008,122,927.54
  5. Step 5: Solve for x
    x = 6,008,122,927.54/88,780.50
  6. Step 6: Final answer
    x = 67,673.90

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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.