Home / 74,804.12-103,238.76-54,650.92

Finding the Fourth Proportional to 74,804.12, 103,238.76 and 54,650.92

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Solution

The fourth proportional to 74,804.12, 103,238.76 and 54,650.92 is: 75,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.12 : 103,238.76 = 54,650.92 : x
  2. Step 2: Convert to fraction form
    74,804.12/103,238.76 = 54,650.92/x
  3. Step 3: Cross multiply
    74,804.12x = 103,238.76 × 54,650.92
  4. Step 4: Simplify right side
    74,804.12x = 5,642,092,697.47
  5. Step 5: Solve for x
    x = 5,642,092,697.47/74,804.12
  6. Step 6: Final answer
    x = 75,424.89

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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.