Home / 79,442.66-109,632.19-43,635.98

Finding the Fourth Proportional to 79,442.66, 109,632.19 and 43,635.98

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Solution

The fourth proportional to 79,442.66, 109,632.19 and 43,635.98 is: 60,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442.66 : 109,632.19 = 43,635.98 : x
  2. Step 2: Convert to fraction form
    79,442.66/109,632.19 = 43,635.98/x
  3. Step 3: Cross multiply
    79,442.66x = 109,632.19 × 43,635.98
  4. Step 4: Simplify right side
    79,442.66x = 4,783,908,050.20
  5. Step 5: Solve for x
    x = 4,783,908,050.20/79,442.66
  6. Step 6: Final answer
    x = 60,218.38

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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.