Home / 83,778.52-115,568.22-53,095.48

Finding the Fourth Proportional to 83,778.52, 115,568.22 and 53,095.48

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Solution

The fourth proportional to 83,778.52, 115,568.22 and 53,095.48 is: 73,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778.52 : 115,568.22 = 53,095.48 : x
  2. Step 2: Convert to fraction form
    83,778.52/115,568.22 = 53,095.48/x
  3. Step 3: Cross multiply
    83,778.52x = 115,568.22 × 53,095.48
  4. Step 4: Simplify right side
    83,778.52x = 6,136,150,113.65
  5. Step 5: Solve for x
    x = 6,136,150,113.65/83,778.52
  6. Step 6: Final answer
    x = 73,242.52

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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.