Home / 79,548.22-109,776.95-43,740.54

Finding the Fourth Proportional to 79,548.22, 109,776.95 and 43,740.54

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Solution

The fourth proportional to 79,548.22, 109,776.95 and 43,740.54 is: 60,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.22 : 109,776.95 = 43,740.54 : x
  2. Step 2: Convert to fraction form
    79,548.22/109,776.95 = 43,740.54/x
  3. Step 3: Cross multiply
    79,548.22x = 109,776.95 × 43,740.54
  4. Step 4: Simplify right side
    79,548.22x = 4,801,702,523.67
  5. Step 5: Solve for x
    x = 4,801,702,523.67/79,548.22
  6. Step 6: Final answer
    x = 60,362.17

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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.