Home / 107,789.80-161,627.10-37,671.40

Finding the Fourth Proportional to 107,789.80, 161,627.10 and 37,671.40

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Solution

The fourth proportional to 107,789.80, 161,627.10 and 37,671.40 is: 56,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789.80 : 161,627.10 = 37,671.40 : x
  2. Step 2: Convert to fraction form
    107,789.80/161,627.10 = 37,671.40/x
  3. Step 3: Cross multiply
    107,789.80x = 161,627.10 × 37,671.40
  4. Step 4: Simplify right side
    107,789.80x = 6,088,719,134.94
  5. Step 5: Solve for x
    x = 6,088,719,134.94/107,789.80
  6. Step 6: Final answer
    x = 56,486.97

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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.