Home / 102,838.73-141,908.63-59,819.09

Finding the Fourth Proportional to 102,838.73, 141,908.63 and 59,819.09

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Solution

The fourth proportional to 102,838.73, 141,908.63 and 59,819.09 is: 82,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,838.73 : 141,908.63 = 59,819.09 : x
  2. Step 2: Convert to fraction form
    102,838.73/141,908.63 = 59,819.09/x
  3. Step 3: Cross multiply
    102,838.73x = 141,908.63 × 59,819.09
  4. Step 4: Simplify right side
    102,838.73x = 8,488,844,101.11
  5. Step 5: Solve for x
    x = 8,488,844,101.11/102,838.73
  6. Step 6: Final answer
    x = 82,545.21

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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.