Home / 99,529.76-137,353.92-57,096.56

Finding the Fourth Proportional to 99,529.76, 137,353.92 and 57,096.56

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Solution

The fourth proportional to 99,529.76, 137,353.92 and 57,096.56 is: 78,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.76 : 137,353.92 = 57,096.56 : x
  2. Step 2: Convert to fraction form
    99,529.76/137,353.92 = 57,096.56/x
  3. Step 3: Cross multiply
    99,529.76x = 137,353.92 × 57,096.56
  4. Step 4: Simplify right side
    99,529.76x = 7,842,436,334.52
  5. Step 5: Solve for x
    x = 7,842,436,334.52/99,529.76
  6. Step 6: Final answer
    x = 78,794.89

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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.