Home / 76,621.42-114,946.26-34,502.50

Finding the Fourth Proportional to 76,621.42, 114,946.26 and 34,502.50

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Solution

The fourth proportional to 76,621.42, 114,946.26 and 34,502.50 is: 51,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621.42 : 114,946.26 = 34,502.50 : x
  2. Step 2: Convert to fraction form
    76,621.42/114,946.26 = 34,502.50/x
  3. Step 3: Cross multiply
    76,621.42x = 114,946.26 × 34,502.50
  4. Step 4: Simplify right side
    76,621.42x = 3,965,933,335.65
  5. Step 5: Solve for x
    x = 3,965,933,335.65/76,621.42
  6. Step 6: Final answer
    x = 51,760.11

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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.