Home / 63,065.66-86,940.17-49,613.55

Finding the Fourth Proportional to 63,065.66, 86,940.17 and 49,613.55

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Solution

The fourth proportional to 63,065.66, 86,940.17 and 49,613.55 is: 68,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.66 : 86,940.17 = 49,613.55 : x
  2. Step 2: Convert to fraction form
    63,065.66/86,940.17 = 49,613.55/x
  3. Step 3: Cross multiply
    63,065.66x = 86,940.17 × 49,613.55
  4. Step 4: Simplify right side
    63,065.66x = 4,313,410,223.24
  5. Step 5: Solve for x
    x = 4,313,410,223.24/63,065.66
  6. Step 6: Final answer
    x = 68,395.55

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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.