Home / 108,682.98-149,966.28-62,112.39

Finding the Fourth Proportional to 108,682.98, 149,966.28 and 62,112.39

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Solution

The fourth proportional to 108,682.98, 149,966.28 and 62,112.39 is: 85,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,682.98 : 149,966.28 = 62,112.39 : x
  2. Step 2: Convert to fraction form
    108,682.98/149,966.28 = 62,112.39/x
  3. Step 3: Cross multiply
    108,682.98x = 149,966.28 × 62,112.39
  4. Step 4: Simplify right side
    108,682.98x = 9,314,764,070.21
  5. Step 5: Solve for x
    x = 9,314,764,070.21/108,682.98
  6. Step 6: Final answer
    x = 85,705.82

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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.