Home / 107,820.60-161,731.06-37,699.80

Finding the Fourth Proportional to 107,820.60, 161,731.06 and 37,699.80

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Solution

The fourth proportional to 107,820.60, 161,731.06 and 37,699.80 is: 56,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,820.60 : 161,731.06 = 37,699.80 : x
  2. Step 2: Convert to fraction form
    107,820.60/161,731.06 = 37,699.80/x
  3. Step 3: Cross multiply
    107,820.60x = 161,731.06 × 37,699.80
  4. Step 4: Simplify right side
    107,820.60x = 6,097,228,615.79
  5. Step 5: Solve for x
    x = 6,097,228,615.79/107,820.60
  6. Step 6: Final answer
    x = 56,549.76

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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.