Home / 68,208.17-101,778.81-61,115.93

Finding the Fourth Proportional to 68,208.17, 101,778.81 and 61,115.93

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Solution

The fourth proportional to 68,208.17, 101,778.81 and 61,115.93 is: 91,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208.17 : 101,778.81 = 61,115.93 : x
  2. Step 2: Convert to fraction form
    68,208.17/101,778.81 = 61,115.93/x
  3. Step 3: Cross multiply
    68,208.17x = 101,778.81 × 61,115.93
  4. Step 4: Simplify right side
    68,208.17x = 6,220,307,187.32
  5. Step 5: Solve for x
    x = 6,220,307,187.32/68,208.17
  6. Step 6: Final answer
    x = 91,195.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.