Home / 75,272.50-103,892.25-45,064.56

Finding the Fourth Proportional to 75,272.50, 103,892.25 and 45,064.56

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Solution

The fourth proportional to 75,272.50, 103,892.25 and 45,064.56 is: 62,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.50 : 103,892.25 = 45,064.56 : x
  2. Step 2: Convert to fraction form
    75,272.50/103,892.25 = 45,064.56/x
  3. Step 3: Cross multiply
    75,272.50x = 103,892.25 × 45,064.56
  4. Step 4: Simplify right side
    75,272.50x = 4,681,858,533.66
  5. Step 5: Solve for x
    x = 4,681,858,533.66/75,272.50
  6. Step 6: Final answer
    x = 62,198.79

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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.