Home / 113,787.74-170,685.26-38,904.86

Finding the Fourth Proportional to 113,787.74, 170,685.26 and 38,904.86

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Solution

The fourth proportional to 113,787.74, 170,685.26 and 38,904.86 is: 58,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,787.74 : 170,685.26 = 38,904.86 : x
  2. Step 2: Convert to fraction form
    113,787.74/170,685.26 = 38,904.86/x
  3. Step 3: Cross multiply
    113,787.74x = 170,685.26 × 38,904.86
  4. Step 4: Simplify right side
    113,787.74x = 6,640,486,144.36
  5. Step 5: Solve for x
    x = 6,640,486,144.36/113,787.74
  6. Step 6: Final answer
    x = 58,358.54

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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.