Home / 107,808.48-161,725.68-55,203.84

Finding the Fourth Proportional to 107,808.48, 161,725.68 and 55,203.84

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Solution

The fourth proportional to 107,808.48, 161,725.68 and 55,203.84 is: 82,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,808.48 : 161,725.68 = 55,203.84 : x
  2. Step 2: Convert to fraction form
    107,808.48/161,725.68 = 55,203.84/x
  3. Step 3: Cross multiply
    107,808.48x = 161,725.68 × 55,203.84
  4. Step 4: Simplify right side
    107,808.48x = 8,927,878,562.61
  5. Step 5: Solve for x
    x = 8,927,878,562.61/107,808.48
  6. Step 6: Final answer
    x = 82,812.40

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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.