Home / 79,649.93-109,916.04-43,839.17

Finding the Fourth Proportional to 79,649.93, 109,916.04 and 43,839.17

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Solution

The fourth proportional to 79,649.93, 109,916.04 and 43,839.17 is: 60,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.93 : 109,916.04 = 43,839.17 : x
  2. Step 2: Convert to fraction form
    79,649.93/109,916.04 = 43,839.17/x
  3. Step 3: Cross multiply
    79,649.93x = 109,916.04 × 43,839.17
  4. Step 4: Simplify right side
    79,649.93x = 4,818,628,361.97
  5. Step 5: Solve for x
    x = 4,818,628,361.97/79,649.93
  6. Step 6: Final answer
    x = 60,497.58

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1.5x scale

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.