Home / 109,962.60-164,943.90-36,090.60

Finding the Fourth Proportional to 109,962.60, 164,943.90 and 36,090.60

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Solution

The fourth proportional to 109,962.60, 164,943.90 and 36,090.60 is: 54,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.60 : 164,943.90 = 36,090.60 : x
  2. Step 2: Convert to fraction form
    109,962.60/164,943.90 = 36,090.60/x
  3. Step 3: Cross multiply
    109,962.60x = 164,943.90 × 36,090.60
  4. Step 4: Simplify right side
    109,962.60x = 5,952,924,317.34
  5. Step 5: Solve for x
    x = 5,952,924,317.34/109,962.60
  6. Step 6: Final answer
    x = 54,135.90

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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.