Home / 79,534.77-109,756.53-43,724.46

Finding the Fourth Proportional to 79,534.77, 109,756.53 and 43,724.46

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Solution

The fourth proportional to 79,534.77, 109,756.53 and 43,724.46 is: 60,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.77 : 109,756.53 = 43,724.46 : x
  2. Step 2: Convert to fraction form
    79,534.77/109,756.53 = 43,724.46/x
  3. Step 3: Cross multiply
    79,534.77x = 109,756.53 × 43,724.46
  4. Step 4: Simplify right side
    79,534.77x = 4,799,045,005.72
  5. Step 5: Solve for x
    x = 4,799,045,005.72/79,534.77
  6. Step 6: Final answer
    x = 60,338.96

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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.