Home / 75,499.08-104,189.43-41,507.80

Finding the Fourth Proportional to 75,499.08, 104,189.43 and 41,507.80

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Solution

The fourth proportional to 75,499.08, 104,189.43 and 41,507.80 is: 57,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.08 : 104,189.43 = 41,507.80 : x
  2. Step 2: Convert to fraction form
    75,499.08/104,189.43 = 41,507.80/x
  3. Step 3: Cross multiply
    75,499.08x = 104,189.43 × 41,507.80
  4. Step 4: Simplify right side
    75,499.08x = 4,324,674,270.32
  5. Step 5: Solve for x
    x = 4,324,674,270.32/75,499.08
  6. Step 6: Final answer
    x = 57,281.15

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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.