Home / 91,202.22-136,848.69-51,196.32

Finding the Fourth Proportional to 91,202.22, 136,848.69 and 51,196.32

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Solution

The fourth proportional to 91,202.22, 136,848.69 and 51,196.32 is: 76,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,202.22 : 136,848.69 = 51,196.32 : x
  2. Step 2: Convert to fraction form
    91,202.22/136,848.69 = 51,196.32/x
  3. Step 3: Cross multiply
    91,202.22x = 136,848.69 × 51,196.32
  4. Step 4: Simplify right side
    91,202.22x = 7,006,149,324.82
  5. Step 5: Solve for x
    x = 7,006,149,324.82/91,202.22
  6. Step 6: Final answer
    x = 76,819.94

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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.