Home / 84,347.42-126,458.62-51,059.61

Finding the Fourth Proportional to 84,347.42, 126,458.62 and 51,059.61

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Solution

The fourth proportional to 84,347.42, 126,458.62 and 51,059.61 is: 76,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,347.42 : 126,458.62 = 51,059.61 : x
  2. Step 2: Convert to fraction form
    84,347.42/126,458.62 = 51,059.61/x
  3. Step 3: Cross multiply
    84,347.42x = 126,458.62 × 51,059.61
  4. Step 4: Simplify right side
    84,347.42x = 6,456,927,690.69
  5. Step 5: Solve for x
    x = 6,456,927,690.69/84,347.42
  6. Step 6: Final answer
    x = 76,551.58

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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.