Home / 88,814.40-122,556.96-51,081.36

Finding the Fourth Proportional to 88,814.40, 122,556.96 and 51,081.36

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Solution

The fourth proportional to 88,814.40, 122,556.96 and 51,081.36 is: 70,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,814.40 : 122,556.96 = 51,081.36 : x
  2. Step 2: Convert to fraction form
    88,814.40/122,556.96 = 51,081.36/x
  3. Step 3: Cross multiply
    88,814.40x = 122,556.96 × 51,081.36
  4. Step 4: Simplify right side
    88,814.40x = 6,260,376,194.27
  5. Step 5: Solve for x
    x = 6,260,376,194.27/88,814.40
  6. Step 6: Final answer
    x = 70,488.30

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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.