Home / 76,468.11-105,537.50-55,028.84

Finding the Fourth Proportional to 76,468.11, 105,537.50 and 55,028.84

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Solution

The fourth proportional to 76,468.11, 105,537.50 and 55,028.84 is: 75,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468.11 : 105,537.50 = 55,028.84 : x
  2. Step 2: Convert to fraction form
    76,468.11/105,537.50 = 55,028.84/x
  3. Step 3: Cross multiply
    76,468.11x = 105,537.50 × 55,028.84
  4. Step 4: Simplify right side
    76,468.11x = 5,807,605,398.67
  5. Step 5: Solve for x
    x = 5,807,605,398.67/76,468.11
  6. Step 6: Final answer
    x = 75,948.07

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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.