Home / 107,171.50-160,628.30-39,649.70

Finding the Fourth Proportional to 107,171.50, 160,628.30 and 39,649.70

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Solution

The fourth proportional to 107,171.50, 160,628.30 and 39,649.70 is: 59,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.50 : 160,628.30 = 39,649.70 : x
  2. Step 2: Convert to fraction form
    107,171.50/160,628.30 = 39,649.70/x
  3. Step 3: Cross multiply
    107,171.50x = 160,628.30 × 39,649.70
  4. Step 4: Simplify right side
    107,171.50x = 6,368,863,202.49
  5. Step 5: Solve for x
    x = 6,368,863,202.49/107,171.50
  6. Step 6: Final answer
    x = 59,426.84

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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.