Home / 79,472.12-109,674.14-43,664.72

Finding the Fourth Proportional to 79,472.12, 109,674.14 and 43,664.72

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Solution

The fourth proportional to 79,472.12, 109,674.14 and 43,664.72 is: 60,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.12 : 109,674.14 = 43,664.72 : x
  2. Step 2: Convert to fraction form
    79,472.12/109,674.14 = 43,664.72/x
  3. Step 3: Cross multiply
    79,472.12x = 109,674.14 × 43,664.72
  4. Step 4: Simplify right side
    79,472.12x = 4,788,889,847.65
  5. Step 5: Solve for x
    x = 4,788,889,847.65/79,472.12
  6. Step 6: Final answer
    x = 60,258.74

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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.