Home / 62,416.21-86,134.37-34,121.90

Finding the Fourth Proportional to 62,416.21, 86,134.37 and 34,121.90

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Solution

The fourth proportional to 62,416.21, 86,134.37 and 34,121.90 is: 47,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,416.21 : 86,134.37 = 34,121.90 : x
  2. Step 2: Convert to fraction form
    62,416.21/86,134.37 = 34,121.90/x
  3. Step 3: Cross multiply
    62,416.21x = 86,134.37 × 34,121.90
  4. Step 4: Simplify right side
    62,416.21x = 2,939,067,929.03
  5. Step 5: Solve for x
    x = 2,939,067,929.03/62,416.21
  6. Step 6: Final answer
    x = 47,088.22

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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.