Home / 107,741.81-161,558.64-62,777.70

Finding the Fourth Proportional to 107,741.81, 161,558.64 and 62,777.70

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Solution

The fourth proportional to 107,741.81, 161,558.64 and 62,777.70 is: 94,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,741.81 : 161,558.64 = 62,777.70 : x
  2. Step 2: Convert to fraction form
    107,741.81/161,558.64 = 62,777.70/x
  3. Step 3: Cross multiply
    107,741.81x = 161,558.64 × 62,777.70
  4. Step 4: Simplify right side
    107,741.81x = 10,142,279,834.33
  5. Step 5: Solve for x
    x = 10,142,279,834.33/107,741.81
  6. Step 6: Final answer
    x = 94,135.04

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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.