Home / 55,924.08-83,900.64-20,864

Finding the Fourth Proportional to 55,924.08, 83,900.64 and 20,864

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Solution

The fourth proportional to 55,924.08, 83,900.64 and 20,864 is: 31,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,924.08 : 83,900.64 = 20,864 : x
  2. Step 2: Convert to fraction form
    55,924.08/83,900.64 = 20,864/x
  3. Step 3: Cross multiply
    55,924.08x = 83,900.64 × 20,864
  4. Step 4: Simplify right side
    55,924.08x = 1,750,502,952.96
  5. Step 5: Solve for x
    x = 1,750,502,952.96/55,924.08
  6. Step 6: Final answer
    x = 31,301.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.