Home / 75,467.83-104,145.33-41,478.61

Finding the Fourth Proportional to 75,467.83, 104,145.33 and 41,478.61

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Solution

The fourth proportional to 75,467.83, 104,145.33 and 41,478.61 is: 57,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,467.83 : 104,145.33 = 41,478.61 : x
  2. Step 2: Convert to fraction form
    75,467.83/104,145.33 = 41,478.61/x
  3. Step 3: Cross multiply
    75,467.83x = 104,145.33 × 41,478.61
  4. Step 4: Simplify right side
    75,467.83x = 4,319,803,526.39
  5. Step 5: Solve for x
    x = 4,319,803,526.39/75,467.83
  6. Step 6: Final answer
    x = 57,240.33

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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.