Home / 90,596.76-125,003.40-54,786

Finding the Fourth Proportional to 90,596.76, 125,003.40 and 54,786

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Solution

The fourth proportional to 90,596.76, 125,003.40 and 54,786 is: 75,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596.76 : 125,003.40 = 54,786 : x
  2. Step 2: Convert to fraction form
    90,596.76/125,003.40 = 54,786/x
  3. Step 3: Cross multiply
    90,596.76x = 125,003.40 × 54,786
  4. Step 4: Simplify right side
    90,596.76x = 6,848,436,272.40
  5. Step 5: Solve for x
    x = 6,848,436,272.40/90,596.76
  6. Step 6: Final answer
    x = 75,592.51

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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.