Home / 107,348.14-161,066.78-54,011.64

Finding the Fourth Proportional to 107,348.14, 161,066.78 and 54,011.64

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Solution

The fourth proportional to 107,348.14, 161,066.78 and 54,011.64 is: 81,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,348.14 : 161,066.78 = 54,011.64 : x
  2. Step 2: Convert to fraction form
    107,348.14/161,066.78 = 54,011.64/x
  3. Step 3: Cross multiply
    107,348.14x = 161,066.78 × 54,011.64
  4. Step 4: Simplify right side
    107,348.14x = 8,699,480,114.80
  5. Step 5: Solve for x
    x = 8,699,480,114.80/107,348.14
  6. Step 6: Final answer
    x = 81,039.88

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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.