Home / 75,557-104,272.81-43,736.15

Finding the Fourth Proportional to 75,557, 104,272.81 and 43,736.15

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Solution

The fourth proportional to 75,557, 104,272.81 and 43,736.15 is: 60,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,557 : 104,272.81 = 43,736.15 : x
  2. Step 2: Convert to fraction form
    75,557/104,272.81 = 43,736.15/x
  3. Step 3: Cross multiply
    75,557x = 104,272.81 × 43,736.15
  4. Step 4: Simplify right side
    75,557x = 4,560,491,259.08
  5. Step 5: Solve for x
    x = 4,560,491,259.08/75,557
  6. Step 6: Final answer
    x = 60,358.29

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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.