Home / 69,644.48-104,335.16-53,985.44

Finding the Fourth Proportional to 69,644.48, 104,335.16 and 53,985.44

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Solution

The fourth proportional to 69,644.48, 104,335.16 and 53,985.44 is: 80,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,644.48 : 104,335.16 = 53,985.44 : x
  2. Step 2: Convert to fraction form
    69,644.48/104,335.16 = 53,985.44/x
  3. Step 3: Cross multiply
    69,644.48x = 104,335.16 × 53,985.44
  4. Step 4: Simplify right side
    69,644.48x = 5,632,579,520.07
  5. Step 5: Solve for x
    x = 5,632,579,520.07/69,644.48
  6. Step 6: Final answer
    x = 80,876.18

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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.