Home / 69,600.78-96,047.73-39,385.55

Finding the Fourth Proportional to 69,600.78, 96,047.73 and 39,385.55

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Solution

The fourth proportional to 69,600.78, 96,047.73 and 39,385.55 is: 54,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,600.78 : 96,047.73 = 39,385.55 : x
  2. Step 2: Convert to fraction form
    69,600.78/96,047.73 = 39,385.55/x
  3. Step 3: Cross multiply
    69,600.78x = 96,047.73 × 39,385.55
  4. Step 4: Simplify right side
    69,600.78x = 3,782,892,192.06
  5. Step 5: Solve for x
    x = 3,782,892,192.06/69,600.78
  6. Step 6: Final answer
    x = 54,351.29

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1.5x scale

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.