Home / 75,989.16-104,865.41-41,534.61

Finding the Fourth Proportional to 75,989.16, 104,865.41 and 41,534.61

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Solution

The fourth proportional to 75,989.16, 104,865.41 and 41,534.61 is: 57,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,989.16 : 104,865.41 = 41,534.61 : x
  2. Step 2: Convert to fraction form
    75,989.16/104,865.41 = 41,534.61/x
  3. Step 3: Cross multiply
    75,989.16x = 104,865.41 × 41,534.61
  4. Step 4: Simplify right side
    75,989.16x = 4,355,543,699.17
  5. Step 5: Solve for x
    x = 4,355,543,699.17/75,989.16
  6. Step 6: Final answer
    x = 57,317.96

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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.