Home / 85,268.57-127,881.04-25,283.02

Finding the Fourth Proportional to 85,268.57, 127,881.04 and 25,283.02

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Solution

The fourth proportional to 85,268.57, 127,881.04 and 25,283.02 is: 37,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,268.57 : 127,881.04 = 25,283.02 : x
  2. Step 2: Convert to fraction form
    85,268.57/127,881.04 = 25,283.02/x
  3. Step 3: Cross multiply
    85,268.57x = 127,881.04 × 25,283.02
  4. Step 4: Simplify right side
    85,268.57x = 3,233,218,765.53
  5. Step 5: Solve for x
    x = 3,233,218,765.53/85,268.57
  6. Step 6: Final answer
    x = 37,918.06

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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.