Home / 108,664.75-149,957.90-63,374.14

Finding the Fourth Proportional to 108,664.75, 149,957.90 and 63,374.14

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Solution

The fourth proportional to 108,664.75, 149,957.90 and 63,374.14 is: 87,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.75 : 149,957.90 = 63,374.14 : x
  2. Step 2: Convert to fraction form
    108,664.75/149,957.90 = 63,374.14/x
  3. Step 3: Cross multiply
    108,664.75x = 149,957.90 × 63,374.14
  4. Step 4: Simplify right side
    108,664.75x = 9,503,452,948.71
  5. Step 5: Solve for x
    x = 9,503,452,948.71/108,664.75
  6. Step 6: Final answer
    x = 87,456.63

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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.