Home / 75,863.48-104,646.44-49,021.76

Finding the Fourth Proportional to 75,863.48, 104,646.44 and 49,021.76

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Solution

The fourth proportional to 75,863.48, 104,646.44 and 49,021.76 is: 67,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,863.48 : 104,646.44 = 49,021.76 : x
  2. Step 2: Convert to fraction form
    75,863.48/104,646.44 = 49,021.76/x
  3. Step 3: Cross multiply
    75,863.48x = 104,646.44 × 49,021.76
  4. Step 4: Simplify right side
    75,863.48x = 5,129,952,666.53
  5. Step 5: Solve for x
    x = 5,129,952,666.53/75,863.48
  6. Step 6: Final answer
    x = 67,620.85

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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.