Home / 83,684.68-115,487.22-45,961.36

Finding the Fourth Proportional to 83,684.68, 115,487.22 and 45,961.36

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Solution

The fourth proportional to 83,684.68, 115,487.22 and 45,961.36 is: 63,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.68 : 115,487.22 = 45,961.36 : x
  2. Step 2: Convert to fraction form
    83,684.68/115,487.22 = 45,961.36/x
  3. Step 3: Cross multiply
    83,684.68x = 115,487.22 × 45,961.36
  4. Step 4: Simplify right side
    83,684.68x = 5,307,949,693.82
  5. Step 5: Solve for x
    x = 5,307,949,693.82/83,684.68
  6. Step 6: Final answer
    x = 63,427.97

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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.