Home / 96,211.34-132,808.64-86,121.98

Finding the Fourth Proportional to 96,211.34, 132,808.64 and 86,121.98

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Solution

The fourth proportional to 96,211.34, 132,808.64 and 86,121.98 is: 118,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,211.34 : 132,808.64 = 86,121.98 : x
  2. Step 2: Convert to fraction form
    96,211.34/132,808.64 = 86,121.98/x
  3. Step 3: Cross multiply
    96,211.34x = 132,808.64 × 86,121.98
  4. Step 4: Simplify right side
    96,211.34x = 11,437,741,943.25
  5. Step 5: Solve for x
    x = 11,437,741,943.25/96,211.34
  6. Step 6: Final answer
    x = 118,881.44

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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.