Home / 84,135.26-125,906.67-52,560.20

Finding the Fourth Proportional to 84,135.26, 125,906.67 and 52,560.20

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Solution

The fourth proportional to 84,135.26, 125,906.67 and 52,560.20 is: 78,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,135.26 : 125,906.67 = 52,560.20 : x
  2. Step 2: Convert to fraction form
    84,135.26/125,906.67 = 52,560.20/x
  3. Step 3: Cross multiply
    84,135.26x = 125,906.67 × 52,560.20
  4. Step 4: Simplify right side
    84,135.26x = 6,617,679,127.00
  5. Step 5: Solve for x
    x = 6,617,679,127.00/84,135.26
  6. Step 6: Final answer
    x = 78,655.25

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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.