Home / 107,827.40-161,712.30-32,947.40

Finding the Fourth Proportional to 107,827.40, 161,712.30 and 32,947.40

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Solution

The fourth proportional to 107,827.40, 161,712.30 and 32,947.40 is: 49,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,827.40 : 161,712.30 = 32,947.40 : x
  2. Step 2: Convert to fraction form
    107,827.40/161,712.30 = 32,947.40/x
  3. Step 3: Cross multiply
    107,827.40x = 161,712.30 × 32,947.40
  4. Step 4: Simplify right side
    107,827.40x = 5,327,999,833.02
  5. Step 5: Solve for x
    x = 5,327,999,833.02/107,827.40
  6. Step 6: Final answer
    x = 49,412.30

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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.