Home / 99,296.12-137,059.99-63,486.27

Finding the Fourth Proportional to 99,296.12, 137,059.99 and 63,486.27

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Solution

The fourth proportional to 99,296.12, 137,059.99 and 63,486.27 is: 87,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,296.12 : 137,059.99 = 63,486.27 : x
  2. Step 2: Convert to fraction form
    99,296.12/137,059.99 = 63,486.27/x
  3. Step 3: Cross multiply
    99,296.12x = 137,059.99 × 63,486.27
  4. Step 4: Simplify right side
    99,296.12x = 8,701,427,531.34
  5. Step 5: Solve for x
    x = 8,701,427,531.34/99,296.12
  6. Step 6: Final answer
    x = 87,631.09

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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.