Home / 87,530.60-120,792.72-49,804.86

Finding the Fourth Proportional to 87,530.60, 120,792.72 and 49,804.86

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Solution

The fourth proportional to 87,530.60, 120,792.72 and 49,804.86 is: 68,730.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,530.60 : 120,792.72 = 49,804.86 : x
  2. Step 2: Convert to fraction form
    87,530.60/120,792.72 = 49,804.86/x
  3. Step 3: Cross multiply
    87,530.60x = 120,792.72 × 49,804.86
  4. Step 4: Simplify right side
    87,530.60x = 6,016,064,508.62
  5. Step 5: Solve for x
    x = 6,016,064,508.62/87,530.60
  6. Step 6: Final answer
    x = 68,730.99

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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.