Home / 91,829.70-126,737.78-51,003

Finding the Fourth Proportional to 91,829.70, 126,737.78 and 51,003

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Solution

The fourth proportional to 91,829.70, 126,737.78 and 51,003 is: 70,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.70 : 126,737.78 = 51,003 : x
  2. Step 2: Convert to fraction form
    91,829.70/126,737.78 = 51,003/x
  3. Step 3: Cross multiply
    91,829.70x = 126,737.78 × 51,003
  4. Step 4: Simplify right side
    91,829.70x = 6,464,006,738.33
  5. Step 5: Solve for x
    x = 6,464,006,738.33/91,829.70
  6. Step 6: Final answer
    x = 70,391.24

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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.