Home / 79,738.99-110,040.64-43,930.28

Finding the Fourth Proportional to 79,738.99, 110,040.64 and 43,930.28

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Solution

The fourth proportional to 79,738.99, 110,040.64 and 43,930.28 is: 60,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.99 : 110,040.64 = 43,930.28 : x
  2. Step 2: Convert to fraction form
    79,738.99/110,040.64 = 43,930.28/x
  3. Step 3: Cross multiply
    79,738.99x = 110,040.64 × 43,930.28
  4. Step 4: Simplify right side
    79,738.99x = 4,834,116,291.86
  5. Step 5: Solve for x
    x = 4,834,116,291.86/79,738.99
  6. Step 6: Final answer
    x = 60,624.25

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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.