Home / 90,895.31-125,401.60-90,754.98

Finding the Fourth Proportional to 90,895.31, 125,401.60 and 90,754.98

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Solution

The fourth proportional to 90,895.31, 125,401.60 and 90,754.98 is: 125,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.31 : 125,401.60 = 90,754.98 : x
  2. Step 2: Convert to fraction form
    90,895.31/125,401.60 = 90,754.98/x
  3. Step 3: Cross multiply
    90,895.31x = 125,401.60 × 90,754.98
  4. Step 4: Simplify right side
    90,895.31x = 11,380,819,699.97
  5. Step 5: Solve for x
    x = 11,380,819,699.97/90,895.31
  6. Step 6: Final answer
    x = 125,208.00

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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.