Home / 75,749.40-104,633.10-61,462.62

Finding the Fourth Proportional to 75,749.40, 104,633.10 and 61,462.62

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Solution

The fourth proportional to 75,749.40, 104,633.10 and 61,462.62 is: 84,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,749.40 : 104,633.10 = 61,462.62 : x
  2. Step 2: Convert to fraction form
    75,749.40/104,633.10 = 61,462.62/x
  3. Step 3: Cross multiply
    75,749.40x = 104,633.10 × 61,462.62
  4. Step 4: Simplify right side
    75,749.40x = 6,431,024,464.72
  5. Step 5: Solve for x
    x = 6,431,024,464.72/75,749.40
  6. Step 6: Final answer
    x = 84,898.69

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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.