Home / 107,767.36-161,670.68-36,686.61

Finding the Fourth Proportional to 107,767.36, 161,670.68 and 36,686.61

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Solution

The fourth proportional to 107,767.36, 161,670.68 and 36,686.61 is: 55,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,767.36 : 161,670.68 = 36,686.61 : x
  2. Step 2: Convert to fraction form
    107,767.36/161,670.68 = 36,686.61/x
  3. Step 3: Cross multiply
    107,767.36x = 161,670.68 × 36,686.61
  4. Step 4: Simplify right side
    107,767.36x = 5,931,149,800.80
  5. Step 5: Solve for x
    x = 5,931,149,800.80/107,767.36
  6. Step 6: Final answer
    x = 55,036.61

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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.