Home / 69,661.35-96,162.10-47,031

Finding the Fourth Proportional to 69,661.35, 96,162.10 and 47,031

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Solution

The fourth proportional to 69,661.35, 96,162.10 and 47,031 is: 64,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.35 : 96,162.10 = 47,031 : x
  2. Step 2: Convert to fraction form
    69,661.35/96,162.10 = 47,031/x
  3. Step 3: Cross multiply
    69,661.35x = 96,162.10 × 47,031
  4. Step 4: Simplify right side
    69,661.35x = 4,522,599,725.10
  5. Step 5: Solve for x
    x = 4,522,599,725.10/69,661.35
  6. Step 6: Final answer
    x = 64,922.65

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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.