Home / 90,926.52-136,296.84-61,347.36

Finding the Fourth Proportional to 90,926.52, 136,296.84 and 61,347.36

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Solution

The fourth proportional to 90,926.52, 136,296.84 and 61,347.36 is: 91,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.52 : 136,296.84 = 61,347.36 : x
  2. Step 2: Convert to fraction form
    90,926.52/136,296.84 = 61,347.36/x
  3. Step 3: Cross multiply
    90,926.52x = 136,296.84 × 61,347.36
  4. Step 4: Simplify right side
    90,926.52x = 8,361,451,310.34
  5. Step 5: Solve for x
    x = 8,361,451,310.34/90,926.52
  6. Step 6: Final answer
    x = 91,958.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.