Home / 55,283.52-82,389.18-53,512.32

Finding the Fourth Proportional to 55,283.52, 82,389.18 and 53,512.32

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Solution

The fourth proportional to 55,283.52, 82,389.18 and 53,512.32 is: 79,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.52 : 82,389.18 = 53,512.32 : x
  2. Step 2: Convert to fraction form
    55,283.52/82,389.18 = 53,512.32/x
  3. Step 3: Cross multiply
    55,283.52x = 82,389.18 × 53,512.32
  4. Step 4: Simplify right side
    55,283.52x = 4,408,836,164.70
  5. Step 5: Solve for x
    x = 4,408,836,164.70/55,283.52
  6. Step 6: Final answer
    x = 79,749.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.