Home / 79,702.14-109,991.06-43,894.46

Finding the Fourth Proportional to 79,702.14, 109,991.06 and 43,894.46

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Solution

The fourth proportional to 79,702.14, 109,991.06 and 43,894.46 is: 60,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,702.14 : 109,991.06 = 43,894.46 : x
  2. Step 2: Convert to fraction form
    79,702.14/109,991.06 = 43,894.46/x
  3. Step 3: Cross multiply
    79,702.14x = 109,991.06 × 43,894.46
  4. Step 4: Simplify right side
    79,702.14x = 4,827,998,031.84
  5. Step 5: Solve for x
    x = 4,827,998,031.84/79,702.14
  6. Step 6: Final answer
    x = 60,575.51

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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.