Home / 83,625.78-115,403.22-45,899.22

Finding the Fourth Proportional to 83,625.78, 115,403.22 and 45,899.22

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Solution

The fourth proportional to 83,625.78, 115,403.22 and 45,899.22 is: 63,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,625.78 : 115,403.22 = 45,899.22 : x
  2. Step 2: Convert to fraction form
    83,625.78/115,403.22 = 45,899.22/x
  3. Step 3: Cross multiply
    83,625.78x = 115,403.22 × 45,899.22
  4. Step 4: Simplify right side
    83,625.78x = 5,296,917,783.49
  5. Step 5: Solve for x
    x = 5,296,917,783.49/83,625.78
  6. Step 6: Final answer
    x = 63,340.73

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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.