Home / 79,442.90-109,631.85-43,633.34

Finding the Fourth Proportional to 79,442.90, 109,631.85 and 43,633.34

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Solution

The fourth proportional to 79,442.90, 109,631.85 and 43,633.34 is: 60,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442.90 : 109,631.85 = 43,633.34 : x
  2. Step 2: Convert to fraction form
    79,442.90/109,631.85 = 43,633.34/x
  3. Step 3: Cross multiply
    79,442.90x = 109,631.85 × 43,633.34
  4. Step 4: Simplify right side
    79,442.90x = 4,783,603,785.88
  5. Step 5: Solve for x
    x = 4,783,603,785.88/79,442.90
  6. Step 6: Final answer
    x = 60,214.37

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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.