Home / 107,701.13-161,551.70-28,813.31

Finding the Fourth Proportional to 107,701.13, 161,551.70 and 28,813.31

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Solution

The fourth proportional to 107,701.13, 161,551.70 and 28,813.31 is: 43,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,701.13 : 161,551.70 = 28,813.31 : x
  2. Step 2: Convert to fraction form
    107,701.13/161,551.70 = 28,813.31/x
  3. Step 3: Cross multiply
    107,701.13x = 161,551.70 × 28,813.31
  4. Step 4: Simplify right side
    107,701.13x = 4,654,838,261.30
  5. Step 5: Solve for x
    x = 4,654,838,261.30/107,701.13
  6. Step 6: Final answer
    x = 43,219.96

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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.