Home / 69,207.04-95,503.36-39,393.28

Finding the Fourth Proportional to 69,207.04, 95,503.36 and 39,393.28

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Solution

The fourth proportional to 69,207.04, 95,503.36 and 39,393.28 is: 54,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,207.04 : 95,503.36 = 39,393.28 : x
  2. Step 2: Convert to fraction form
    69,207.04/95,503.36 = 39,393.28/x
  3. Step 3: Cross multiply
    69,207.04x = 95,503.36 × 39,393.28
  4. Step 4: Simplify right side
    69,207.04x = 3,762,190,601.42
  5. Step 5: Solve for x
    x = 3,762,190,601.42/69,207.04
  6. Step 6: Final answer
    x = 54,361.39

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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.