Home / 107,780.22-161,606.54-36,677.21

Finding the Fourth Proportional to 107,780.22, 161,606.54 and 36,677.21

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Solution

The fourth proportional to 107,780.22, 161,606.54 and 36,677.21 is: 54,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.22 : 161,606.54 = 36,677.21 : x
  2. Step 2: Convert to fraction form
    107,780.22/161,606.54 = 36,677.21/x
  3. Step 3: Cross multiply
    107,780.22x = 161,606.54 × 36,677.21
  4. Step 4: Simplify right side
    107,780.22x = 5,927,276,288.61
  5. Step 5: Solve for x
    x = 5,927,276,288.61/107,780.22
  6. Step 6: Final answer
    x = 54,994.10

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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.