Home / 79,155.41-109,234.40-43,346.12

Finding the Fourth Proportional to 79,155.41, 109,234.40 and 43,346.12

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Solution

The fourth proportional to 79,155.41, 109,234.40 and 43,346.12 is: 59,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,155.41 : 109,234.40 = 43,346.12 : x
  2. Step 2: Convert to fraction form
    79,155.41/109,234.40 = 43,346.12/x
  3. Step 3: Cross multiply
    79,155.41x = 109,234.40 × 43,346.12
  4. Step 4: Simplify right side
    79,155.41x = 4,734,886,647.63
  5. Step 5: Solve for x
    x = 4,734,886,647.63/79,155.41
  6. Step 6: Final answer
    x = 59,817.60

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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.