Home / 124,664.90-187,062.15-54,551.30

Finding the Fourth Proportional to 124,664.90, 187,062.15 and 54,551.30

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Solution

The fourth proportional to 124,664.90, 187,062.15 and 54,551.30 is: 81,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,664.90 : 187,062.15 = 54,551.30 : x
  2. Step 2: Convert to fraction form
    124,664.90/187,062.15 = 54,551.30/x
  3. Step 3: Cross multiply
    124,664.90x = 187,062.15 × 54,551.30
  4. Step 4: Simplify right side
    124,664.90x = 10,204,483,463.30
  5. Step 5: Solve for x
    x = 10,204,483,463.30/124,664.90
  6. Step 6: Final answer
    x = 81,855.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.