Home / 69,534.72-95,973.80-40,857.75

Finding the Fourth Proportional to 69,534.72, 95,973.80 and 40,857.75

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Solution

The fourth proportional to 69,534.72, 95,973.80 and 40,857.75 is: 56,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,534.72 : 95,973.80 = 40,857.75 : x
  2. Step 2: Convert to fraction form
    69,534.72/95,973.80 = 40,857.75/x
  3. Step 3: Cross multiply
    69,534.72x = 95,973.80 × 40,857.75
  4. Step 4: Simplify right side
    69,534.72x = 3,921,273,322.66
  5. Step 5: Solve for x
    x = 3,921,273,322.66/69,534.72
  6. Step 6: Final answer
    x = 56,393.03

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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.