Home / 77,299.05-115,815.41-60,425.49

Finding the Fourth Proportional to 77,299.05, 115,815.41 and 60,425.49

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Solution

The fourth proportional to 77,299.05, 115,815.41 and 60,425.49 is: 90,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.05 : 115,815.41 = 60,425.49 : x
  2. Step 2: Convert to fraction form
    77,299.05/115,815.41 = 60,425.49/x
  3. Step 3: Cross multiply
    77,299.05x = 115,815.41 × 60,425.49
  4. Step 4: Simplify right side
    77,299.05x = 6,998,202,606.12
  5. Step 5: Solve for x
    x = 6,998,202,606.12/77,299.05
  6. Step 6: Final answer
    x = 90,534.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.