Home / 55,511.24-83,135.33-31,831.64

Finding the Fourth Proportional to 55,511.24, 83,135.33 and 31,831.64

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Solution

The fourth proportional to 55,511.24, 83,135.33 and 31,831.64 is: 47,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.24 : 83,135.33 = 31,831.64 : x
  2. Step 2: Convert to fraction form
    55,511.24/83,135.33 = 31,831.64/x
  3. Step 3: Cross multiply
    55,511.24x = 83,135.33 × 31,831.64
  4. Step 4: Simplify right side
    55,511.24x = 2,646,333,944.52
  5. Step 5: Solve for x
    x = 2,646,333,944.52/55,511.24
  6. Step 6: Final answer
    x = 47,672.04

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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.