Home / 78,546.84-108,294.20-50,902.62

Finding the Fourth Proportional to 78,546.84, 108,294.20 and 50,902.62

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Solution

The fourth proportional to 78,546.84, 108,294.20 and 50,902.62 is: 70,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546.84 : 108,294.20 = 50,902.62 : x
  2. Step 2: Convert to fraction form
    78,546.84/108,294.20 = 50,902.62/x
  3. Step 3: Cross multiply
    78,546.84x = 108,294.20 × 50,902.62
  4. Step 4: Simplify right side
    78,546.84x = 5,512,458,510.80
  5. Step 5: Solve for x
    x = 5,512,458,510.80/78,546.84
  6. Step 6: Final answer
    x = 70,180.53

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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.