Home / 66,887.28-100,333.89-27,416.66

Finding the Fourth Proportional to 66,887.28, 100,333.89 and 27,416.66

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Solution

The fourth proportional to 66,887.28, 100,333.89 and 27,416.66 is: 41,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.28 : 100,333.89 = 27,416.66 : x
  2. Step 2: Convert to fraction form
    66,887.28/100,333.89 = 27,416.66/x
  3. Step 3: Cross multiply
    66,887.28x = 100,333.89 × 27,416.66
  4. Step 4: Simplify right side
    66,887.28x = 2,750,819,646.94
  5. Step 5: Solve for x
    x = 2,750,819,646.94/66,887.28
  6. Step 6: Final answer
    x = 41,126.20

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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.