Home / 107,810.48-161,728.68-55,205.84

Finding the Fourth Proportional to 107,810.48, 161,728.68 and 55,205.84

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Solution

The fourth proportional to 107,810.48, 161,728.68 and 55,205.84 is: 82,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,810.48 : 161,728.68 = 55,205.84 : x
  2. Step 2: Convert to fraction form
    107,810.48/161,728.68 = 55,205.84/x
  3. Step 3: Cross multiply
    107,810.48x = 161,728.68 × 55,205.84
  4. Step 4: Simplify right side
    107,810.48x = 8,928,367,631.49
  5. Step 5: Solve for x
    x = 8,928,367,631.49/107,810.48
  6. Step 6: Final answer
    x = 82,815.40

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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.