Home / 107,543.46-161,175.03-54,908.58

Finding the Fourth Proportional to 107,543.46, 161,175.03 and 54,908.58

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Solution

The fourth proportional to 107,543.46, 161,175.03 and 54,908.58 is: 82,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,543.46 : 161,175.03 = 54,908.58 : x
  2. Step 2: Convert to fraction form
    107,543.46/161,175.03 = 54,908.58/x
  3. Step 3: Cross multiply
    107,543.46x = 161,175.03 × 54,908.58
  4. Step 4: Simplify right side
    107,543.46x = 8,849,892,028.76
  5. Step 5: Solve for x
    x = 8,849,892,028.76/107,543.46
  6. Step 6: Final answer
    x = 82,291.31

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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.