Home / 76,994.28-106,222.24-45,151.56

Finding the Fourth Proportional to 76,994.28, 106,222.24 and 45,151.56

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Solution

The fourth proportional to 76,994.28, 106,222.24 and 45,151.56 is: 62,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994.28 : 106,222.24 = 45,151.56 : x
  2. Step 2: Convert to fraction form
    76,994.28/106,222.24 = 45,151.56/x
  3. Step 3: Cross multiply
    76,994.28x = 106,222.24 × 45,151.56
  4. Step 4: Simplify right side
    76,994.28x = 4,796,099,842.69
  5. Step 5: Solve for x
    x = 4,796,099,842.69/76,994.28
  6. Step 6: Final answer
    x = 62,291.64

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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.