Home / 83,723.44-115,541-45,998.48

Finding the Fourth Proportional to 83,723.44, 115,541 and 45,998.48

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Solution

The fourth proportional to 83,723.44, 115,541 and 45,998.48 is: 63,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,723.44 : 115,541 = 45,998.48 : x
  2. Step 2: Convert to fraction form
    83,723.44/115,541 = 45,998.48/x
  3. Step 3: Cross multiply
    83,723.44x = 115,541 × 45,998.48
  4. Step 4: Simplify right side
    83,723.44x = 5,314,710,377.68
  5. Step 5: Solve for x
    x = 5,314,710,377.68/83,723.44
  6. Step 6: Final answer
    x = 63,479.36

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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.