Home / 85,269.07-127,881.79-25,283.52

Finding the Fourth Proportional to 85,269.07, 127,881.79 and 25,283.52

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Solution

The fourth proportional to 85,269.07, 127,881.79 and 25,283.52 is: 37,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.07 : 127,881.79 = 25,283.52 : x
  2. Step 2: Convert to fraction form
    85,269.07/127,881.79 = 25,283.52/x
  3. Step 3: Cross multiply
    85,269.07x = 127,881.79 × 25,283.52
  4. Step 4: Simplify right side
    85,269.07x = 3,233,301,668.68
  5. Step 5: Solve for x
    x = 3,233,301,668.68/85,269.07
  6. Step 6: Final answer
    x = 37,918.81

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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.