Home / 92,121.02-127,126.78-51,834.83

Finding the Fourth Proportional to 92,121.02, 127,126.78 and 51,834.83

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Solution

The fourth proportional to 92,121.02, 127,126.78 and 51,834.83 is: 71,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.02 : 127,126.78 = 51,834.83 : x
  2. Step 2: Convert to fraction form
    92,121.02/127,126.78 = 51,834.83/x
  3. Step 3: Cross multiply
    92,121.02x = 127,126.78 × 51,834.83
  4. Step 4: Simplify right side
    92,121.02x = 6,589,594,741.25
  5. Step 5: Solve for x
    x = 6,589,594,741.25/92,121.02
  6. Step 6: Final answer
    x = 71,531.93

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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.