Home / 56,481.60-84,749.64-39,947.84

Finding the Fourth Proportional to 56,481.60, 84,749.64 and 39,947.84

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Solution

The fourth proportional to 56,481.60, 84,749.64 and 39,947.84 is: 59,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,481.60 : 84,749.64 = 39,947.84 : x
  2. Step 2: Convert to fraction form
    56,481.60/84,749.64 = 39,947.84/x
  3. Step 3: Cross multiply
    56,481.60x = 84,749.64 × 39,947.84
  4. Step 4: Simplify right side
    56,481.60x = 3,385,565,058.78
  5. Step 5: Solve for x
    x = 3,385,565,058.78/56,481.60
  6. Step 6: Final answer
    x = 59,941.03

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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.