Home / 90,848.20-125,374.64-50,564.54

Finding the Fourth Proportional to 90,848.20, 125,374.64 and 50,564.54

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Solution

The fourth proportional to 90,848.20, 125,374.64 and 50,564.54 is: 69,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.20 : 125,374.64 = 50,564.54 : x
  2. Step 2: Convert to fraction form
    90,848.20/125,374.64 = 50,564.54/x
  3. Step 3: Cross multiply
    90,848.20x = 125,374.64 × 50,564.54
  4. Step 4: Simplify right side
    90,848.20x = 6,339,510,781.29
  5. Step 5: Solve for x
    x = 6,339,510,781.29/90,848.20
  6. Step 6: Final answer
    x = 69,781.36

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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.