Home / 79,415.58-109,595.07-43,605.28

Finding the Fourth Proportional to 79,415.58, 109,595.07 and 43,605.28

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Solution

The fourth proportional to 79,415.58, 109,595.07 and 43,605.28 is: 60,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.58 : 109,595.07 = 43,605.28 : x
  2. Step 2: Convert to fraction form
    79,415.58/109,595.07 = 43,605.28/x
  3. Step 3: Cross multiply
    79,415.58x = 109,595.07 × 43,605.28
  4. Step 4: Simplify right side
    79,415.58x = 4,778,922,947.97
  5. Step 5: Solve for x
    x = 4,778,922,947.97/79,415.58
  6. Step 6: Final answer
    x = 60,176.14

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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.