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Finding the Fourth Proportional to 79,735.77, 110,027.78 and 45,747.05

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Solution

The fourth proportional to 79,735.77, 110,027.78 and 45,747.05 is: 63,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,735.77 : 110,027.78 = 45,747.05 : x
  2. Step 2: Convert to fraction form
    79,735.77/110,027.78 = 45,747.05/x
  3. Step 3: Cross multiply
    79,735.77x = 110,027.78 × 45,747.05
  4. Step 4: Simplify right side
    79,735.77x = 5,033,446,353.05
  5. Step 5: Solve for x
    x = 5,033,446,353.05/79,735.77
  6. Step 6: Final answer
    x = 63,126.58

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1.5x scale

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.