Home / 63,107.94-87,090.60-34,428.09

Finding the Fourth Proportional to 63,107.94, 87,090.60 and 34,428.09

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Solution

The fourth proportional to 63,107.94, 87,090.60 and 34,428.09 is: 47,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.94 : 87,090.60 = 34,428.09 : x
  2. Step 2: Convert to fraction form
    63,107.94/87,090.60 = 34,428.09/x
  3. Step 3: Cross multiply
    63,107.94x = 87,090.60 × 34,428.09
  4. Step 4: Simplify right side
    63,107.94x = 2,998,363,014.95
  5. Step 5: Solve for x
    x = 2,998,363,014.95/63,107.94
  6. Step 6: Final answer
    x = 47,511.66

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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.