Home / 69,534.40-104,327.20-27,985.60

Finding the Fourth Proportional to 69,534.40, 104,327.20 and 27,985.60

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Solution

The fourth proportional to 69,534.40, 104,327.20 and 27,985.60 is: 41,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,534.40 : 104,327.20 = 27,985.60 : x
  2. Step 2: Convert to fraction form
    69,534.40/104,327.20 = 27,985.60/x
  3. Step 3: Cross multiply
    69,534.40x = 104,327.20 × 27,985.60
  4. Step 4: Simplify right side
    69,534.40x = 2,919,659,288.32
  5. Step 5: Solve for x
    x = 2,919,659,288.32/69,534.40
  6. Step 6: Final answer
    x = 41,988.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.