Home / 90,883.20-125,374.82-58,609.28

Finding the Fourth Proportional to 90,883.20, 125,374.82 and 58,609.28

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Solution

The fourth proportional to 90,883.20, 125,374.82 and 58,609.28 is: 80,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,883.20 : 125,374.82 = 58,609.28 : x
  2. Step 2: Convert to fraction form
    90,883.20/125,374.82 = 58,609.28/x
  3. Step 3: Cross multiply
    90,883.20x = 125,374.82 × 58,609.28
  4. Step 4: Simplify right side
    90,883.20x = 7,348,127,930.33
  5. Step 5: Solve for x
    x = 7,348,127,930.33/90,883.20
  6. Step 6: Final answer
    x = 80,852.43

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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.