Home / 83,170.25-114,777.78-45,446.93

Finding the Fourth Proportional to 83,170.25, 114,777.78 and 45,446.93

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Solution

The fourth proportional to 83,170.25, 114,777.78 and 45,446.93 is: 62,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.25 : 114,777.78 = 45,446.93 : x
  2. Step 2: Convert to fraction form
    83,170.25/114,777.78 = 45,446.93/x
  3. Step 3: Cross multiply
    83,170.25x = 114,777.78 × 45,446.93
  4. Step 4: Simplify right side
    83,170.25x = 5,216,297,733.22
  5. Step 5: Solve for x
    x = 5,216,297,733.22/83,170.25
  6. Step 6: Final answer
    x = 62,718.31

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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.