Home / 76,204.11-105,163.17-45,608.71

Finding the Fourth Proportional to 76,204.11, 105,163.17 and 45,608.71

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Solution

The fourth proportional to 76,204.11, 105,163.17 and 45,608.71 is: 62,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.11 : 105,163.17 = 45,608.71 : x
  2. Step 2: Convert to fraction form
    76,204.11/105,163.17 = 45,608.71/x
  3. Step 3: Cross multiply
    76,204.11x = 105,163.17 × 45,608.71
  4. Step 4: Simplify right side
    76,204.11x = 4,796,356,295.17
  5. Step 5: Solve for x
    x = 4,796,356,295.17/76,204.11
  6. Step 6: Final answer
    x = 62,940.91

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1.5x scale

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.