Home / 105,732.05-158,595.03-39,170.70

Finding the Fourth Proportional to 105,732.05, 158,595.03 and 39,170.70

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Solution

The fourth proportional to 105,732.05, 158,595.03 and 39,170.70 is: 58,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,732.05 : 158,595.03 = 39,170.70 : x
  2. Step 2: Convert to fraction form
    105,732.05/158,595.03 = 39,170.70/x
  3. Step 3: Cross multiply
    105,732.05x = 158,595.03 × 39,170.70
  4. Step 4: Simplify right side
    105,732.05x = 6,212,278,341.62
  5. Step 5: Solve for x
    x = 6,212,278,341.62/105,732.05
  6. Step 6: Final answer
    x = 58,754.92

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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.