Home / 103,939.56-155,893.14-33,818.40

Finding the Fourth Proportional to 103,939.56, 155,893.14 and 33,818.40

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Solution

The fourth proportional to 103,939.56, 155,893.14 and 33,818.40 is: 50,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,939.56 : 155,893.14 = 33,818.40 : x
  2. Step 2: Convert to fraction form
    103,939.56/155,893.14 = 33,818.40/x
  3. Step 3: Cross multiply
    103,939.56x = 155,893.14 × 33,818.40
  4. Step 4: Simplify right side
    103,939.56x = 5,272,056,565.78
  5. Step 5: Solve for x
    x = 5,272,056,565.78/103,939.56
  6. Step 6: Final answer
    x = 50,722.33

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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.