Home / 75,355.08-113,069.36-30,995.16

Finding the Fourth Proportional to 75,355.08, 113,069.36 and 30,995.16

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Solution

The fourth proportional to 75,355.08, 113,069.36 and 30,995.16 is: 46,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,355.08 : 113,069.36 = 30,995.16 : x
  2. Step 2: Convert to fraction form
    75,355.08/113,069.36 = 30,995.16/x
  3. Step 3: Cross multiply
    75,355.08x = 113,069.36 × 30,995.16
  4. Step 4: Simplify right side
    75,355.08x = 3,504,602,904.30
  5. Step 5: Solve for x
    x = 3,504,602,904.30/75,355.08
  6. Step 6: Final answer
    x = 46,507.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.