Home / 61,911.91-85,438.79-33,617.60

Finding the Fourth Proportional to 61,911.91, 85,438.79 and 33,617.60

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Solution

The fourth proportional to 61,911.91, 85,438.79 and 33,617.60 is: 46,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,911.91 : 85,438.79 = 33,617.60 : x
  2. Step 2: Convert to fraction form
    61,911.91/85,438.79 = 33,617.60/x
  3. Step 3: Cross multiply
    61,911.91x = 85,438.79 × 33,617.60
  4. Step 4: Simplify right side
    61,911.91x = 2,872,247,066.70
  5. Step 5: Solve for x
    x = 2,872,247,066.70/61,911.91
  6. Step 6: Final answer
    x = 46,392.48

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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.