Home / 70,081.29-96,714.81-39,869.37

Finding the Fourth Proportional to 70,081.29, 96,714.81 and 39,869.37

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Solution

The fourth proportional to 70,081.29, 96,714.81 and 39,869.37 is: 55,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081.29 : 96,714.81 = 39,869.37 : x
  2. Step 2: Convert to fraction form
    70,081.29/96,714.81 = 39,869.37/x
  3. Step 3: Cross multiply
    70,081.29x = 96,714.81 × 39,869.37
  4. Step 4: Simplify right side
    70,081.29x = 3,855,958,544.37
  5. Step 5: Solve for x
    x = 3,855,958,544.37/70,081.29
  6. Step 6: Final answer
    x = 55,021.23

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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.