Home / 105,785.66-158,679.03-35,665.58

Finding the Fourth Proportional to 105,785.66, 158,679.03 and 35,665.58

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Solution

The fourth proportional to 105,785.66, 158,679.03 and 35,665.58 is: 53,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,785.66 : 158,679.03 = 35,665.58 : x
  2. Step 2: Convert to fraction form
    105,785.66/158,679.03 = 35,665.58/x
  3. Step 3: Cross multiply
    105,785.66x = 158,679.03 × 35,665.58
  4. Step 4: Simplify right side
    105,785.66x = 5,659,379,638.79
  5. Step 5: Solve for x
    x = 5,659,379,638.79/105,785.66
  6. Step 6: Final answer
    x = 53,498.55

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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.