Home / 102,090.60-140,876.82-59,644.44

Finding the Fourth Proportional to 102,090.60, 140,876.82 and 59,644.44

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Solution

The fourth proportional to 102,090.60, 140,876.82 and 59,644.44 is: 82,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,090.60 : 140,876.82 = 59,644.44 : x
  2. Step 2: Convert to fraction form
    102,090.60/140,876.82 = 59,644.44/x
  3. Step 3: Cross multiply
    102,090.60x = 140,876.82 × 59,644.44
  4. Step 4: Simplify right side
    102,090.60x = 8,402,519,037.88
  5. Step 5: Solve for x
    x = 8,402,519,037.88/102,090.60
  6. Step 6: Final answer
    x = 82,304.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.