Home / 81,095.35-111,911.75-45,285.25

Finding the Fourth Proportional to 81,095.35, 111,911.75 and 45,285.25

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Solution

The fourth proportional to 81,095.35, 111,911.75 and 45,285.25 is: 62,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,095.35 : 111,911.75 = 45,285.25 : x
  2. Step 2: Convert to fraction form
    81,095.35/111,911.75 = 45,285.25/x
  3. Step 3: Cross multiply
    81,095.35x = 111,911.75 × 45,285.25
  4. Step 4: Simplify right side
    81,095.35x = 5,067,951,576.69
  5. Step 5: Solve for x
    x = 5,067,951,576.69/81,095.35
  6. Step 6: Final answer
    x = 62,493.74

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1.5x scale

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.