Home / 79,306.21-109,442.64-43,496.92

Finding the Fourth Proportional to 79,306.21, 109,442.64 and 43,496.92

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Solution

The fourth proportional to 79,306.21, 109,442.64 and 43,496.92 is: 60,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.21 : 109,442.64 = 43,496.92 : x
  2. Step 2: Convert to fraction form
    79,306.21/109,442.64 = 43,496.92/x
  3. Step 3: Cross multiply
    79,306.21x = 109,442.64 × 43,496.92
  4. Step 4: Simplify right side
    79,306.21x = 4,760,417,756.67
  5. Step 5: Solve for x
    x = 4,760,417,756.67/79,306.21
  6. Step 6: Final answer
    x = 60,025.79

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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.