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Finding the Fourth Proportional to 66,775.05, 100,074.96 and 27,287.01

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Solution

The fourth proportional to 66,775.05, 100,074.96 and 27,287.01 is: 40,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.05 : 100,074.96 = 27,287.01 : x
  2. Step 2: Convert to fraction form
    66,775.05/100,074.96 = 27,287.01/x
  3. Step 3: Cross multiply
    66,775.05x = 100,074.96 × 27,287.01
  4. Step 4: Simplify right side
    66,775.05x = 2,730,746,434.27
  5. Step 5: Solve for x
    x = 2,730,746,434.27/66,775.05
  6. Step 6: Final answer
    x = 40,894.71

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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.