Home / 79,749.78-110,056.12-43,939.56

Finding the Fourth Proportional to 79,749.78, 110,056.12 and 43,939.56

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Solution

The fourth proportional to 79,749.78, 110,056.12 and 43,939.56 is: 60,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749.78 : 110,056.12 = 43,939.56 : x
  2. Step 2: Convert to fraction form
    79,749.78/110,056.12 = 43,939.56/x
  3. Step 3: Cross multiply
    79,749.78x = 110,056.12 × 43,939.56
  4. Step 4: Simplify right side
    79,749.78x = 4,835,817,488.11
  5. Step 5: Solve for x
    x = 4,835,817,488.11/79,749.78
  6. Step 6: Final answer
    x = 60,637.38

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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.