Home / 75,448.56-104,189.04-48,653.76

Finding the Fourth Proportional to 75,448.56, 104,189.04 and 48,653.76

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Solution

The fourth proportional to 75,448.56, 104,189.04 and 48,653.76 is: 67,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.56 : 104,189.04 = 48,653.76 : x
  2. Step 2: Convert to fraction form
    75,448.56/104,189.04 = 48,653.76/x
  3. Step 3: Cross multiply
    75,448.56x = 104,189.04 × 48,653.76
  4. Step 4: Simplify right side
    75,448.56x = 5,069,188,546.79
  5. Step 5: Solve for x
    x = 5,069,188,546.79/75,448.56
  6. Step 6: Final answer
    x = 67,187.35

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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.