Home / 107,402.00-161,090.64-28,522.58

Finding the Fourth Proportional to 107,402.00, 161,090.64 and 28,522.58

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Solution

The fourth proportional to 107,402.00, 161,090.64 and 28,522.58 is: 42,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,402.00 : 161,090.64 = 28,522.58 : x
  2. Step 2: Convert to fraction form
    107,402.00/161,090.64 = 28,522.58/x
  3. Step 3: Cross multiply
    107,402.00x = 161,090.64 × 28,522.58
  4. Step 4: Simplify right side
    107,402.00x = 4,594,719,861.20
  5. Step 5: Solve for x
    x = 4,594,719,861.20/107,402.00
  6. Step 6: Final answer
    x = 42,780.58

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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.