Home / 47,138.10-65,048.90-25,917.18

Finding the Fourth Proportional to 47,138.10, 65,048.90 and 25,917.18

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Solution

The fourth proportional to 47,138.10, 65,048.90 and 25,917.18 is: 35,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.10 : 65,048.90 = 25,917.18 : x
  2. Step 2: Convert to fraction form
    47,138.10/65,048.90 = 25,917.18/x
  3. Step 3: Cross multiply
    47,138.10x = 65,048.90 × 25,917.18
  4. Step 4: Simplify right side
    47,138.10x = 1,685,883,920.52
  5. Step 5: Solve for x
    x = 1,685,883,920.52/47,138.10
  6. Step 6: Final answer
    x = 35,764.78

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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.