Home / 124,644.50-172,010.25-68,056.58

Finding the Fourth Proportional to 124,644.50, 172,010.25 and 68,056.58

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Solution

The fourth proportional to 124,644.50, 172,010.25 and 68,056.58 is: 93,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,644.50 : 172,010.25 = 68,056.58 : x
  2. Step 2: Convert to fraction form
    124,644.50/172,010.25 = 68,056.58/x
  3. Step 3: Cross multiply
    124,644.50x = 172,010.25 × 68,056.58
  4. Step 4: Simplify right side
    124,644.50x = 11,706,429,339.95
  5. Step 5: Solve for x
    x = 11,706,429,339.95/124,644.50
  6. Step 6: Final answer
    x = 93,918.54

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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.