Home / 102,661.43-141,591.44-62,374.05

Finding the Fourth Proportional to 102,661.43, 141,591.44 and 62,374.05

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Solution

The fourth proportional to 102,661.43, 141,591.44 and 62,374.05 is: 86,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,661.43 : 141,591.44 = 62,374.05 : x
  2. Step 2: Convert to fraction form
    102,661.43/141,591.44 = 62,374.05/x
  3. Step 3: Cross multiply
    102,661.43x = 141,591.44 × 62,374.05
  4. Step 4: Simplify right side
    102,661.43x = 8,831,631,714.07
  5. Step 5: Solve for x
    x = 8,831,631,714.07/102,661.43
  6. Step 6: Final answer
    x = 86,026.78

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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.