Home / 78,084.06-107,759.07-44,099.70

Finding the Fourth Proportional to 78,084.06, 107,759.07 and 44,099.70

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Solution

The fourth proportional to 78,084.06, 107,759.07 and 44,099.70 is: 60,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,084.06 : 107,759.07 = 44,099.70 : x
  2. Step 2: Convert to fraction form
    78,084.06/107,759.07 = 44,099.70/x
  3. Step 3: Cross multiply
    78,084.06x = 107,759.07 × 44,099.70
  4. Step 4: Simplify right side
    78,084.06x = 4,752,142,659.28
  5. Step 5: Solve for x
    x = 4,752,142,659.28/78,084.06
  6. Step 6: Final answer
    x = 60,859.32

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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.