Home / 102,873.06-141,961.56-57,551.84

Finding the Fourth Proportional to 102,873.06, 141,961.56 and 57,551.84

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Solution

The fourth proportional to 102,873.06, 141,961.56 and 57,551.84 is: 79,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,873.06 : 141,961.56 = 57,551.84 : x
  2. Step 2: Convert to fraction form
    102,873.06/141,961.56 = 57,551.84/x
  3. Step 3: Cross multiply
    102,873.06x = 141,961.56 × 57,551.84
  4. Step 4: Simplify right side
    102,873.06x = 8,170,148,277.46
  5. Step 5: Solve for x
    x = 8,170,148,277.46/102,873.06
  6. Step 6: Final answer
    x = 79,419.71

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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.