Home / 55,432.14-83,138.22-15,979.56

Finding the Fourth Proportional to 55,432.14, 83,138.22 and 15,979.56

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Solution

The fourth proportional to 55,432.14, 83,138.22 and 15,979.56 is: 23,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.14 : 83,138.22 = 15,979.56 : x
  2. Step 2: Convert to fraction form
    55,432.14/83,138.22 = 15,979.56/x
  3. Step 3: Cross multiply
    55,432.14x = 83,138.22 × 15,979.56
  4. Step 4: Simplify right side
    55,432.14x = 1,328,512,174.78
  5. Step 5: Solve for x
    x = 1,328,512,174.78/55,432.14
  6. Step 6: Final answer
    x = 23,966.46

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1.5x scale

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.