Home / 66,253.02-91,428.39-43,624.86

Finding the Fourth Proportional to 66,253.02, 91,428.39 and 43,624.86

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Solution

The fourth proportional to 66,253.02, 91,428.39 and 43,624.86 is: 60,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,253.02 : 91,428.39 = 43,624.86 : x
  2. Step 2: Convert to fraction form
    66,253.02/91,428.39 = 43,624.86/x
  3. Step 3: Cross multiply
    66,253.02x = 91,428.39 × 43,624.86
  4. Step 4: Simplify right side
    66,253.02x = 3,988,550,713.78
  5. Step 5: Solve for x
    x = 3,988,550,713.78/66,253.02
  6. Step 6: Final answer
    x = 60,201.79

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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.