Home / 98,974.31-136,586.25-56,533.14

Finding the Fourth Proportional to 98,974.31, 136,586.25 and 56,533.14

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Solution

The fourth proportional to 98,974.31, 136,586.25 and 56,533.14 is: 78,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,974.31 : 136,586.25 = 56,533.14 : x
  2. Step 2: Convert to fraction form
    98,974.31/136,586.25 = 56,533.14/x
  3. Step 3: Cross multiply
    98,974.31x = 136,586.25 × 56,533.14
  4. Step 4: Simplify right side
    98,974.31x = 7,721,649,593.33
  5. Step 5: Solve for x
    x = 7,721,649,593.33/98,974.31
  6. Step 6: Final answer
    x = 78,016.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.