Home / 75,460.56-104,205.60-48,665.76

Finding the Fourth Proportional to 75,460.56, 104,205.60 and 48,665.76

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Solution

The fourth proportional to 75,460.56, 104,205.60 and 48,665.76 is: 67,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.56 : 104,205.60 = 48,665.76 : x
  2. Step 2: Convert to fraction form
    75,460.56/104,205.60 = 48,665.76/x
  3. Step 3: Cross multiply
    75,460.56x = 104,205.60 × 48,665.76
  4. Step 4: Simplify right side
    75,460.56x = 5,071,244,720.26
  5. Step 5: Solve for x
    x = 5,071,244,720.26/75,460.56
  6. Step 6: Final answer
    x = 67,203.91

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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.