Home / 86,858.56-130,306.97-49,436.25

Finding the Fourth Proportional to 86,858.56, 130,306.97 and 49,436.25

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Solution

The fourth proportional to 86,858.56, 130,306.97 and 49,436.25 is: 74,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,858.56 : 130,306.97 = 49,436.25 : x
  2. Step 2: Convert to fraction form
    86,858.56/130,306.97 = 49,436.25/x
  3. Step 3: Cross multiply
    86,858.56x = 130,306.97 × 49,436.25
  4. Step 4: Simplify right side
    86,858.56x = 6,441,887,945.66
  5. Step 5: Solve for x
    x = 6,441,887,945.66/86,858.56
  6. Step 6: Final answer
    x = 74,165.26

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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.