Home / 75,402.66-104,051.07-41,404.53

Finding the Fourth Proportional to 75,402.66, 104,051.07 and 41,404.53

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Solution

The fourth proportional to 75,402.66, 104,051.07 and 41,404.53 is: 57,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402.66 : 104,051.07 = 41,404.53 : x
  2. Step 2: Convert to fraction form
    75,402.66/104,051.07 = 41,404.53/x
  3. Step 3: Cross multiply
    75,402.66x = 104,051.07 × 41,404.53
  4. Step 4: Simplify right side
    75,402.66x = 4,308,185,649.35
  5. Step 5: Solve for x
    x = 4,308,185,649.35/75,402.66
  6. Step 6: Final answer
    x = 57,135.73

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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.