Home / 83,684.30-115,486.99-45,958.55

Finding the Fourth Proportional to 83,684.30, 115,486.99 and 45,958.55

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Solution

The fourth proportional to 83,684.30, 115,486.99 and 45,958.55 is: 63,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.30 : 115,486.99 = 45,958.55 : x
  2. Step 2: Convert to fraction form
    83,684.30/115,486.99 = 45,958.55/x
  3. Step 3: Cross multiply
    83,684.30x = 115,486.99 × 45,958.55
  4. Step 4: Simplify right side
    83,684.30x = 5,307,614,604.26
  5. Step 5: Solve for x
    x = 5,307,614,604.26/83,684.30
  6. Step 6: Final answer
    x = 63,424.26

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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.