Home / 79,319.16-109,460.34-43,509.33

Finding the Fourth Proportional to 79,319.16, 109,460.34 and 43,509.33

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Solution

The fourth proportional to 79,319.16, 109,460.34 and 43,509.33 is: 60,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,319.16 : 109,460.34 = 43,509.33 : x
  2. Step 2: Convert to fraction form
    79,319.16/109,460.34 = 43,509.33/x
  3. Step 3: Cross multiply
    79,319.16x = 109,460.34 × 43,509.33
  4. Step 4: Simplify right side
    79,319.16x = 4,762,546,054.97
  5. Step 5: Solve for x
    x = 4,762,546,054.97/79,319.16
  6. Step 6: Final answer
    x = 60,042.82

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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.