Home / 107,937.90-161,901.72-37,811.88

Finding the Fourth Proportional to 107,937.90, 161,901.72 and 37,811.88

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Solution

The fourth proportional to 107,937.90, 161,901.72 and 37,811.88 is: 56,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,937.90 : 161,901.72 = 37,811.88 : x
  2. Step 2: Convert to fraction form
    107,937.90/161,901.72 = 37,811.88/x
  3. Step 3: Cross multiply
    107,937.90x = 161,901.72 × 37,811.88
  4. Step 4: Simplify right side
    107,937.90x = 6,121,808,408.43
  5. Step 5: Solve for x
    x = 6,121,808,408.43/107,937.90
  6. Step 6: Final answer
    x = 56,716.02

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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.