Home / 107,790.54-161,754.99-72,291.93

Finding the Fourth Proportional to 107,790.54, 161,754.99 and 72,291.93

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Solution

The fourth proportional to 107,790.54, 161,754.99 and 72,291.93 is: 108,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790.54 : 161,754.99 = 72,291.93 : x
  2. Step 2: Convert to fraction form
    107,790.54/161,754.99 = 72,291.93/x
  3. Step 3: Cross multiply
    107,790.54x = 161,754.99 × 72,291.93
  4. Step 4: Simplify right side
    107,790.54x = 11,693,580,414.23
  5. Step 5: Solve for x
    x = 11,693,580,414.23/107,790.54
  6. Step 6: Final answer
    x = 108,484.29

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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.