Home / 102,841.96-141,921.49-57,519.76

Finding the Fourth Proportional to 102,841.96, 141,921.49 and 57,519.76

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Solution

The fourth proportional to 102,841.96, 141,921.49 and 57,519.76 is: 79,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,841.96 : 141,921.49 = 57,519.76 : x
  2. Step 2: Convert to fraction form
    102,841.96/141,921.49 = 57,519.76/x
  3. Step 3: Cross multiply
    102,841.96x = 141,921.49 × 57,519.76
  4. Step 4: Simplify right side
    102,841.96x = 8,163,290,043.64
  5. Step 5: Solve for x
    x = 8,163,290,043.64/102,841.96
  6. Step 6: Final answer
    x = 79,377.04

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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.