Home / 75,790.18-104,590.39-41,800.86

Finding the Fourth Proportional to 75,790.18, 104,590.39 and 41,800.86

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Solution

The fourth proportional to 75,790.18, 104,590.39 and 41,800.86 is: 57,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,790.18 : 104,590.39 = 41,800.86 : x
  2. Step 2: Convert to fraction form
    75,790.18/104,590.39 = 41,800.86/x
  3. Step 3: Cross multiply
    75,790.18x = 104,590.39 × 41,800.86
  4. Step 4: Simplify right side
    75,790.18x = 4,371,968,223.61
  5. Step 5: Solve for x
    x = 4,371,968,223.61/75,790.18
  6. Step 6: Final answer
    x = 57,685.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.