Home / 77,895.39-116,843.04-18,731.04

Finding the Fourth Proportional to 77,895.39, 116,843.04 and 18,731.04

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Solution

The fourth proportional to 77,895.39, 116,843.04 and 18,731.04 is: 28,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895.39 : 116,843.04 = 18,731.04 : x
  2. Step 2: Convert to fraction form
    77,895.39/116,843.04 = 18,731.04/x
  3. Step 3: Cross multiply
    77,895.39x = 116,843.04 × 18,731.04
  4. Step 4: Simplify right side
    77,895.39x = 2,188,591,655.96
  5. Step 5: Solve for x
    x = 2,188,591,655.96/77,895.39
  6. Step 6: Final answer
    x = 28,096.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.