Home / 76,960.20-115,440.36-61,476.24

Finding the Fourth Proportional to 76,960.20, 115,440.36 and 61,476.24

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Solution

The fourth proportional to 76,960.20, 115,440.36 and 61,476.24 is: 92,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.20 : 115,440.36 = 61,476.24 : x
  2. Step 2: Convert to fraction form
    76,960.20/115,440.36 = 61,476.24/x
  3. Step 3: Cross multiply
    76,960.20x = 115,440.36 × 61,476.24
  4. Step 4: Simplify right side
    76,960.20x = 7,096,839,277.05
  5. Step 5: Solve for x
    x = 7,096,839,277.05/76,960.20
  6. Step 6: Final answer
    x = 92,214.41

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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.