Home / 69,195.36-95,490.16-39,389.28

Finding the Fourth Proportional to 69,195.36, 95,490.16 and 39,389.28

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Solution

The fourth proportional to 69,195.36, 95,490.16 and 39,389.28 is: 54,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,195.36 : 95,490.16 = 39,389.28 : x
  2. Step 2: Convert to fraction form
    69,195.36/95,490.16 = 39,389.28/x
  3. Step 3: Cross multiply
    69,195.36x = 95,490.16 × 39,389.28
  4. Step 4: Simplify right side
    69,195.36x = 3,761,288,649.48
  5. Step 5: Solve for x
    x = 3,761,288,649.48/69,195.36
  6. Step 6: Final answer
    x = 54,357.53

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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.