Home / 44,107.20-66,051.45-42,138.90

Finding the Fourth Proportional to 44,107.20, 66,051.45 and 42,138.90

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Solution

The fourth proportional to 44,107.20, 66,051.45 and 42,138.90 is: 63,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,107.20 : 66,051.45 = 42,138.90 : x
  2. Step 2: Convert to fraction form
    44,107.20/66,051.45 = 42,138.90/x
  3. Step 3: Cross multiply
    44,107.20x = 66,051.45 × 42,138.90
  4. Step 4: Simplify right side
    44,107.20x = 2,783,335,446.41
  5. Step 5: Solve for x
    x = 2,783,335,446.41/44,107.20
  6. Step 6: Final answer
    x = 63,103.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.