Home / 83,394.56-115,083.28-45,668.80

Finding the Fourth Proportional to 83,394.56, 115,083.28 and 45,668.80

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Solution

The fourth proportional to 83,394.56, 115,083.28 and 45,668.80 is: 63,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,394.56 : 115,083.28 = 45,668.80 : x
  2. Step 2: Convert to fraction form
    83,394.56/115,083.28 = 45,668.80/x
  3. Step 3: Cross multiply
    83,394.56x = 115,083.28 × 45,668.80
  4. Step 4: Simplify right side
    83,394.56x = 5,255,715,297.66
  5. Step 5: Solve for x
    x = 5,255,715,297.66/83,394.56
  6. Step 6: Final answer
    x = 63,022.28

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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.