Home / 61,183.35-84,519.05-47,215.71

Finding the Fourth Proportional to 61,183.35, 84,519.05 and 47,215.71

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Solution

The fourth proportional to 61,183.35, 84,519.05 and 47,215.71 is: 65,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,183.35 : 84,519.05 = 47,215.71 : x
  2. Step 2: Convert to fraction form
    61,183.35/84,519.05 = 47,215.71/x
  3. Step 3: Cross multiply
    61,183.35x = 84,519.05 × 47,215.71
  4. Step 4: Simplify right side
    61,183.35x = 3,990,626,718.20
  5. Step 5: Solve for x
    x = 3,990,626,718.20/61,183.35
  6. Step 6: Final answer
    x = 65,224.06

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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.