Home / 88,838.17-122,388.82-61,932.60

Finding the Fourth Proportional to 88,838.17, 122,388.82 and 61,932.60

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Solution

The fourth proportional to 88,838.17, 122,388.82 and 61,932.60 is: 85,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,838.17 : 122,388.82 = 61,932.60 : x
  2. Step 2: Convert to fraction form
    88,838.17/122,388.82 = 61,932.60/x
  3. Step 3: Cross multiply
    88,838.17x = 122,388.82 × 61,932.60
  4. Step 4: Simplify right side
    88,838.17x = 7,579,857,678.70
  5. Step 5: Solve for x
    x = 7,579,857,678.70/88,838.17
  6. Step 6: Final answer
    x = 85,322.09

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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.