Home / 96,896.25-133,782.06-86,655.46

Finding the Fourth Proportional to 96,896.25, 133,782.06 and 86,655.46

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Solution

The fourth proportional to 96,896.25, 133,782.06 and 86,655.46 is: 119,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,896.25 : 133,782.06 = 86,655.46 : x
  2. Step 2: Convert to fraction form
    96,896.25/133,782.06 = 86,655.46/x
  3. Step 3: Cross multiply
    96,896.25x = 133,782.06 × 86,655.46
  4. Step 4: Simplify right side
    96,896.25x = 11,592,945,515.77
  5. Step 5: Solve for x
    x = 11,592,945,515.77/96,896.25
  6. Step 6: Final answer
    x = 119,642.88

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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.