Home / 107,784.28-161,701.46-36,707.53

Finding the Fourth Proportional to 107,784.28, 161,701.46 and 36,707.53

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Solution

The fourth proportional to 107,784.28, 161,701.46 and 36,707.53 is: 55,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,784.28 : 161,701.46 = 36,707.53 : x
  2. Step 2: Convert to fraction form
    107,784.28/161,701.46 = 36,707.53/x
  3. Step 3: Cross multiply
    107,784.28x = 161,701.46 × 36,707.53
  4. Step 4: Simplify right side
    107,784.28x = 5,935,661,098.67
  5. Step 5: Solve for x
    x = 5,935,661,098.67/107,784.28
  6. Step 6: Final answer
    x = 55,069.82

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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.