Home / 102,819.71-141,891.58-59,809.52

Finding the Fourth Proportional to 102,819.71, 141,891.58 and 59,809.52

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Solution

The fourth proportional to 102,819.71, 141,891.58 and 59,809.52 is: 82,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,819.71 : 141,891.58 = 59,809.52 : x
  2. Step 2: Convert to fraction form
    102,819.71/141,891.58 = 59,809.52/x
  3. Step 3: Cross multiply
    102,819.71x = 141,891.58 × 59,809.52
  4. Step 4: Simplify right side
    102,819.71x = 8,486,467,721.33
  5. Step 5: Solve for x
    x = 8,486,467,721.33/102,819.71
  6. Step 6: Final answer
    x = 82,537.36

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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.