Home / 75,905.08-104,735.20-53,313.10

Finding the Fourth Proportional to 75,905.08, 104,735.20 and 53,313.10

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Solution

The fourth proportional to 75,905.08, 104,735.20 and 53,313.10 is: 73,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.08 : 104,735.20 = 53,313.10 : x
  2. Step 2: Convert to fraction form
    75,905.08/104,735.20 = 53,313.10/x
  3. Step 3: Cross multiply
    75,905.08x = 104,735.20 × 53,313.10
  4. Step 4: Simplify right side
    75,905.08x = 5,583,757,796.00
  5. Step 5: Solve for x
    x = 5,583,757,796.00/75,905.08
  6. Step 6: Final answer
    x = 73,562.38

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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.