Home / 62,818.13-86,709.21-40,217.99

Finding the Fourth Proportional to 62,818.13, 86,709.21 and 40,217.99

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Solution

The fourth proportional to 62,818.13, 86,709.21 and 40,217.99 is: 55,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818.13 : 86,709.21 = 40,217.99 : x
  2. Step 2: Convert to fraction form
    62,818.13/86,709.21 = 40,217.99/x
  3. Step 3: Cross multiply
    62,818.13x = 86,709.21 × 40,217.99
  4. Step 4: Simplify right side
    62,818.13x = 3,487,269,707.14
  5. Step 5: Solve for x
    x = 3,487,269,707.14/62,818.13
  6. Step 6: Final answer
    x = 55,513.75

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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.