Home / 76,260.60-105,224.13-49,399.38

Finding the Fourth Proportional to 76,260.60, 105,224.13 and 49,399.38

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Solution

The fourth proportional to 76,260.60, 105,224.13 and 49,399.38 is: 68,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.60 : 105,224.13 = 49,399.38 : x
  2. Step 2: Convert to fraction form
    76,260.60/105,224.13 = 49,399.38/x
  3. Step 3: Cross multiply
    76,260.60x = 105,224.13 × 49,399.38
  4. Step 4: Simplify right side
    76,260.60x = 5,198,006,783.04
  5. Step 5: Solve for x
    x = 5,198,006,783.04/76,260.60
  6. Step 6: Final answer
    x = 68,161.11

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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.