Home / 55,283.28-76,292.70-31,408.52

Finding the Fourth Proportional to 55,283.28, 76,292.70 and 31,408.52

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Solution

The fourth proportional to 55,283.28, 76,292.70 and 31,408.52 is: 43,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.28 : 76,292.70 = 31,408.52 : x
  2. Step 2: Convert to fraction form
    55,283.28/76,292.70 = 31,408.52/x
  3. Step 3: Cross multiply
    55,283.28x = 76,292.70 × 31,408.52
  4. Step 4: Simplify right side
    55,283.28x = 2,396,240,793.80
  5. Step 5: Solve for x
    x = 2,396,240,793.80/55,283.28
  6. Step 6: Final answer
    x = 43,344.77

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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.