Home / 75,479.45-104,162.72-41,491.08

Finding the Fourth Proportional to 75,479.45, 104,162.72 and 41,491.08

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Solution

The fourth proportional to 75,479.45, 104,162.72 and 41,491.08 is: 57,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.45 : 104,162.72 = 41,491.08 : x
  2. Step 2: Convert to fraction form
    75,479.45/104,162.72 = 41,491.08/x
  3. Step 3: Cross multiply
    75,479.45x = 104,162.72 × 41,491.08
  4. Step 4: Simplify right side
    75,479.45x = 4,321,823,541.08
  5. Step 5: Solve for x
    x = 4,321,823,541.08/75,479.45
  6. Step 6: Final answer
    x = 57,258.28

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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.