Home / 105,525.33-158,270.90-38,996.79

Finding the Fourth Proportional to 105,525.33, 158,270.90 and 38,996.79

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Solution

The fourth proportional to 105,525.33, 158,270.90 and 38,996.79 is: 58,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525.33 : 158,270.90 = 38,996.79 : x
  2. Step 2: Convert to fraction form
    105,525.33/158,270.90 = 38,996.79/x
  3. Step 3: Cross multiply
    105,525.33x = 158,270.90 × 38,996.79
  4. Step 4: Simplify right side
    105,525.33x = 6,172,056,855.43
  5. Step 5: Solve for x
    x = 6,172,056,855.43/105,525.33
  6. Step 6: Final answer
    x = 58,488.87

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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.