Home / 102,819.05-141,893.39-57,498.94

Finding the Fourth Proportional to 102,819.05, 141,893.39 and 57,498.94

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Solution

The fourth proportional to 102,819.05, 141,893.39 and 57,498.94 is: 79,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,819.05 : 141,893.39 = 57,498.94 : x
  2. Step 2: Convert to fraction form
    102,819.05/141,893.39 = 57,498.94/x
  3. Step 3: Cross multiply
    102,819.05x = 141,893.39 × 57,498.94
  4. Step 4: Simplify right side
    102,819.05x = 8,158,718,521.04
  5. Step 5: Solve for x
    x = 8,158,718,521.04/102,819.05
  6. Step 6: Final answer
    x = 79,350.27

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1.5x scale

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.