Home / 79,145.46-109,222.08-48,930.02

Finding the Fourth Proportional to 79,145.46, 109,222.08 and 48,930.02

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Solution

The fourth proportional to 79,145.46, 109,222.08 and 48,930.02 is: 67,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,145.46 : 109,222.08 = 48,930.02 : x
  2. Step 2: Convert to fraction form
    79,145.46/109,222.08 = 48,930.02/x
  3. Step 3: Cross multiply
    79,145.46x = 109,222.08 × 48,930.02
  4. Step 4: Simplify right side
    79,145.46x = 5,344,238,558.84
  5. Step 5: Solve for x
    x = 5,344,238,558.84/79,145.46
  6. Step 6: Final answer
    x = 67,524.26

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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.