Home / 75,460.55-104,129.46-43,631.51

Finding the Fourth Proportional to 75,460.55, 104,129.46 and 43,631.51

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Solution

The fourth proportional to 75,460.55, 104,129.46 and 43,631.51 is: 60,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.55 : 104,129.46 = 43,631.51 : x
  2. Step 2: Convert to fraction form
    75,460.55/104,129.46 = 43,631.51/x
  3. Step 3: Cross multiply
    75,460.55x = 104,129.46 × 43,631.51
  4. Step 4: Simplify right side
    75,460.55x = 4,543,325,054.64
  5. Step 5: Solve for x
    x = 4,543,325,054.64/75,460.55
  6. Step 6: Final answer
    x = 60,207.95

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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.