Home / 61,778.54-85,190.68-52,855.58

Finding the Fourth Proportional to 61,778.54, 85,190.68 and 52,855.58

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Solution

The fourth proportional to 61,778.54, 85,190.68 and 52,855.58 is: 72,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,778.54 : 85,190.68 = 52,855.58 : x
  2. Step 2: Convert to fraction form
    61,778.54/85,190.68 = 52,855.58/x
  3. Step 3: Cross multiply
    61,778.54x = 85,190.68 × 52,855.58
  4. Step 4: Simplify right side
    61,778.54x = 4,502,802,801.99
  5. Step 5: Solve for x
    x = 4,502,802,801.99/61,778.54
  6. Step 6: Final answer
    x = 72,886.20

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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.