Home / 75,443.92-104,125.44-43,632.16

Finding the Fourth Proportional to 75,443.92, 104,125.44 and 43,632.16

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Solution

The fourth proportional to 75,443.92, 104,125.44 and 43,632.16 is: 60,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,443.92 : 104,125.44 = 43,632.16 : x
  2. Step 2: Convert to fraction form
    75,443.92/104,125.44 = 43,632.16/x
  3. Step 3: Cross multiply
    75,443.92x = 104,125.44 × 43,632.16
  4. Step 4: Simplify right side
    75,443.92x = 4,543,217,858.15
  5. Step 5: Solve for x
    x = 4,543,217,858.15/75,443.92
  6. Step 6: Final answer
    x = 60,219.80

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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.