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Finding the Fourth Proportional to 91,300.26, 125,992 and 51,014.34

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Solution

The fourth proportional to 91,300.26, 125,992 and 51,014.34 is: 70,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,300.26 : 125,992 = 51,014.34 : x
  2. Step 2: Convert to fraction form
    91,300.26/125,992 = 51,014.34/x
  3. Step 3: Cross multiply
    91,300.26x = 125,992 × 51,014.34
  4. Step 4: Simplify right side
    91,300.26x = 6,427,398,725.28
  5. Step 5: Solve for x
    x = 6,427,398,725.28/91,300.26
  6. Step 6: Final answer
    x = 70,398.47

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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.