Home / 75,788.18-104,585.40-41,796.66

Finding the Fourth Proportional to 75,788.18, 104,585.40 and 41,796.66

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Solution

The fourth proportional to 75,788.18, 104,585.40 and 41,796.66 is: 57,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.18 : 104,585.40 = 41,796.66 : x
  2. Step 2: Convert to fraction form
    75,788.18/104,585.40 = 41,796.66/x
  3. Step 3: Cross multiply
    75,788.18x = 104,585.40 × 41,796.66
  4. Step 4: Simplify right side
    75,788.18x = 4,371,320,404.76
  5. Step 5: Solve for x
    x = 4,371,320,404.76/75,788.18
  6. Step 6: Final answer
    x = 57,678.13

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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.