Home / 75,767.55-104,516.40-47,424.03

Finding the Fourth Proportional to 75,767.55, 104,516.40 and 47,424.03

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Solution

The fourth proportional to 75,767.55, 104,516.40 and 47,424.03 is: 65,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,767.55 : 104,516.40 = 47,424.03 : x
  2. Step 2: Convert to fraction form
    75,767.55/104,516.40 = 47,424.03/x
  3. Step 3: Cross multiply
    75,767.55x = 104,516.40 × 47,424.03
  4. Step 4: Simplify right side
    75,767.55x = 4,956,588,889.09
  5. Step 5: Solve for x
    x = 4,956,588,889.09/75,767.55
  6. Step 6: Final answer
    x = 65,418.36

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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.