Home / 84,926.09-127,389.60-25,761.82

Finding the Fourth Proportional to 84,926.09, 127,389.60 and 25,761.82

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Solution

The fourth proportional to 84,926.09, 127,389.60 and 25,761.82 is: 38,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.09 : 127,389.60 = 25,761.82 : x
  2. Step 2: Convert to fraction form
    84,926.09/127,389.60 = 25,761.82/x
  3. Step 3: Cross multiply
    84,926.09x = 127,389.60 × 25,761.82
  4. Step 4: Simplify right side
    84,926.09x = 3,281,787,945.07
  5. Step 5: Solve for x
    x = 3,281,787,945.07/84,926.09
  6. Step 6: Final answer
    x = 38,642.87

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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.