Home / 91,517.82-126,296.73-51,230.58

Finding the Fourth Proportional to 91,517.82, 126,296.73 and 51,230.58

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Solution

The fourth proportional to 91,517.82, 126,296.73 and 51,230.58 is: 70,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.82 : 126,296.73 = 51,230.58 : x
  2. Step 2: Convert to fraction form
    91,517.82/126,296.73 = 51,230.58/x
  3. Step 3: Cross multiply
    91,517.82x = 126,296.73 × 51,230.58
  4. Step 4: Simplify right side
    91,517.82x = 6,470,254,730.00
  5. Step 5: Solve for x
    x = 6,470,254,730.00/91,517.82
  6. Step 6: Final answer
    x = 70,699.40

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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.