Home / 87,539.69-131,099.06-49,985.97

Finding the Fourth Proportional to 87,539.69, 131,099.06 and 49,985.97

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Solution

The fourth proportional to 87,539.69, 131,099.06 and 49,985.97 is: 74,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,539.69 : 131,099.06 = 49,985.97 : x
  2. Step 2: Convert to fraction form
    87,539.69/131,099.06 = 49,985.97/x
  3. Step 3: Cross multiply
    87,539.69x = 131,099.06 × 49,985.97
  4. Step 4: Simplify right side
    87,539.69x = 6,553,113,430.26
  5. Step 5: Solve for x
    x = 6,553,113,430.26/87,539.69
  6. Step 6: Final answer
    x = 74,858.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.