Home / 61,400.16-84,725.33-34,542.09

Finding the Fourth Proportional to 61,400.16, 84,725.33 and 34,542.09

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Solution

The fourth proportional to 61,400.16, 84,725.33 and 34,542.09 is: 47,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.16 : 84,725.33 = 34,542.09 : x
  2. Step 2: Convert to fraction form
    61,400.16/84,725.33 = 34,542.09/x
  3. Step 3: Cross multiply
    61,400.16x = 84,725.33 × 34,542.09
  4. Step 4: Simplify right side
    61,400.16x = 2,926,589,801.43
  5. Step 5: Solve for x
    x = 2,926,589,801.43/61,400.16
  6. Step 6: Final answer
    x = 47,664.20

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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.