Home / 103,944.96-155,848.32-57,219.84

Finding the Fourth Proportional to 103,944.96, 155,848.32 and 57,219.84

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Solution

The fourth proportional to 103,944.96, 155,848.32 and 57,219.84 is: 85,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,944.96 : 155,848.32 = 57,219.84 : x
  2. Step 2: Convert to fraction form
    103,944.96/155,848.32 = 57,219.84/x
  3. Step 3: Cross multiply
    103,944.96x = 155,848.32 × 57,219.84
  4. Step 4: Simplify right side
    103,944.96x = 8,917,615,934.67
  5. Step 5: Solve for x
    x = 8,917,615,934.67/103,944.96
  6. Step 6: Final answer
    x = 85,791.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.