Home / 69,906.48-96,471.09-38,075.28

Finding the Fourth Proportional to 69,906.48, 96,471.09 and 38,075.28

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Solution

The fourth proportional to 69,906.48, 96,471.09 and 38,075.28 is: 52,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,906.48 : 96,471.09 = 38,075.28 : x
  2. Step 2: Convert to fraction form
    69,906.48/96,471.09 = 38,075.28/x
  3. Step 3: Cross multiply
    69,906.48x = 96,471.09 × 38,075.28
  4. Step 4: Simplify right side
    69,906.48x = 3,673,163,763.66
  5. Step 5: Solve for x
    x = 3,673,163,763.66/69,906.48
  6. Step 6: Final answer
    x = 52,543.97

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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.