Home / 60,790.75-90,999.27-51,822.68

Finding the Fourth Proportional to 60,790.75, 90,999.27 and 51,822.68

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Solution

The fourth proportional to 60,790.75, 90,999.27 and 51,822.68 is: 77,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,790.75 : 90,999.27 = 51,822.68 : x
  2. Step 2: Convert to fraction form
    60,790.75/90,999.27 = 51,822.68/x
  3. Step 3: Cross multiply
    60,790.75x = 90,999.27 × 51,822.68
  4. Step 4: Simplify right side
    60,790.75x = 4,715,826,049.44
  5. Step 5: Solve for x
    x = 4,715,826,049.44/60,790.75
  6. Step 6: Final answer
    x = 77,574.74

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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.