Home / 90,895.82-125,402.28-90,755.48

Finding the Fourth Proportional to 90,895.82, 125,402.28 and 90,755.48

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Solution

The fourth proportional to 90,895.82, 125,402.28 and 90,755.48 is: 125,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.82 : 125,402.28 = 90,755.48 : x
  2. Step 2: Convert to fraction form
    90,895.82/125,402.28 = 90,755.48/x
  3. Step 3: Cross multiply
    90,895.82x = 125,402.28 × 90,755.48
  4. Step 4: Simplify right side
    90,895.82x = 11,380,943,487.48
  5. Step 5: Solve for x
    x = 11,380,943,487.48/90,895.82
  6. Step 6: Final answer
    x = 125,208.66

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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.