Home / 76,734.99-105,910.61-51,569.91

Finding the Fourth Proportional to 76,734.99, 105,910.61 and 51,569.91

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Solution

The fourth proportional to 76,734.99, 105,910.61 and 51,569.91 is: 71,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734.99 : 105,910.61 = 51,569.91 : x
  2. Step 2: Convert to fraction form
    76,734.99/105,910.61 = 51,569.91/x
  3. Step 3: Cross multiply
    76,734.99x = 105,910.61 × 51,569.91
  4. Step 4: Simplify right side
    76,734.99x = 5,461,800,754.67
  5. Step 5: Solve for x
    x = 5,461,800,754.67/76,734.99
  6. Step 6: Final answer
    x = 71,177.45

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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.