Home / 75,774.86-113,695.07-40,673.54

Finding the Fourth Proportional to 75,774.86, 113,695.07 and 40,673.54

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Solution

The fourth proportional to 75,774.86, 113,695.07 and 40,673.54 is: 61,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,774.86 : 113,695.07 = 40,673.54 : x
  2. Step 2: Convert to fraction form
    75,774.86/113,695.07 = 40,673.54/x
  3. Step 3: Cross multiply
    75,774.86x = 113,695.07 × 40,673.54
  4. Step 4: Simplify right side
    75,774.86x = 4,624,380,977.45
  5. Step 5: Solve for x
    x = 4,624,380,977.45/75,774.86
  6. Step 6: Final answer
    x = 61,027.91

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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.