Home / 91,300.26-125,992-51,014.35

Finding the Fourth Proportional to 91,300.26, 125,992 and 51,014.35

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Solution

The fourth proportional to 91,300.26, 125,992 and 51,014.35 is: 70,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,300.26 : 125,992 = 51,014.35 : x
  2. Step 2: Convert to fraction form
    91,300.26/125,992 = 51,014.35/x
  3. Step 3: Cross multiply
    91,300.26x = 125,992 × 51,014.35
  4. Step 4: Simplify right side
    91,300.26x = 6,427,399,985.20
  5. Step 5: Solve for x
    x = 6,427,399,985.20/91,300.26
  6. Step 6: Final answer
    x = 70,398.49

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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.