Home / 53,591.10-80,360.73-31,411.68

Finding the Fourth Proportional to 53,591.10, 80,360.73 and 31,411.68

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Solution

The fourth proportional to 53,591.10, 80,360.73 and 31,411.68 is: 47,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.10 : 80,360.73 = 31,411.68 : x
  2. Step 2: Convert to fraction form
    53,591.10/80,360.73 = 31,411.68/x
  3. Step 3: Cross multiply
    53,591.10x = 80,360.73 × 31,411.68
  4. Step 4: Simplify right side
    53,591.10x = 2,524,265,535.33
  5. Step 5: Solve for x
    x = 2,524,265,535.33/53,591.10
  6. Step 6: Final answer
    x = 47,102.33

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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.