Home / 79,939.40-110,313.48-44,128.64

Finding the Fourth Proportional to 79,939.40, 110,313.48 and 44,128.64

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Solution

The fourth proportional to 79,939.40, 110,313.48 and 44,128.64 is: 60,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,939.40 : 110,313.48 = 44,128.64 : x
  2. Step 2: Convert to fraction form
    79,939.40/110,313.48 = 44,128.64/x
  3. Step 3: Cross multiply
    79,939.40x = 110,313.48 × 44,128.64
  4. Step 4: Simplify right side
    79,939.40x = 4,867,983,639.22
  5. Step 5: Solve for x
    x = 4,867,983,639.22/79,939.40
  6. Step 6: Final answer
    x = 60,895.93

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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.