Home / 79,494.48-109,702.62-43,688.16

Finding the Fourth Proportional to 79,494.48, 109,702.62 and 43,688.16

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Solution

The fourth proportional to 79,494.48, 109,702.62 and 43,688.16 is: 60,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.48 : 109,702.62 = 43,688.16 : x
  2. Step 2: Convert to fraction form
    79,494.48/109,702.62 = 43,688.16/x
  3. Step 3: Cross multiply
    79,494.48x = 109,702.62 × 43,688.16
  4. Step 4: Simplify right side
    79,494.48x = 4,792,705,614.98
  5. Step 5: Solve for x
    x = 4,792,705,614.98/79,494.48
  6. Step 6: Final answer
    x = 60,289.79

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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.