Home / 102,110.60-140,918.10-59,693.96

Finding the Fourth Proportional to 102,110.60, 140,918.10 and 59,693.96

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Solution

The fourth proportional to 102,110.60, 140,918.10 and 59,693.96 is: 82,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.60 : 140,918.10 = 59,693.96 : x
  2. Step 2: Convert to fraction form
    102,110.60/140,918.10 = 59,693.96/x
  3. Step 3: Cross multiply
    102,110.60x = 140,918.10 × 59,693.96
  4. Step 4: Simplify right side
    102,110.60x = 8,411,959,424.68
  5. Step 5: Solve for x
    x = 8,411,959,424.68/102,110.60
  6. Step 6: Final answer
    x = 82,380.86

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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.