Home / 55,981.12-83,992.14-26,009.20

Finding the Fourth Proportional to 55,981.12, 83,992.14 and 26,009.20

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Solution

The fourth proportional to 55,981.12, 83,992.14 and 26,009.20 is: 39,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.12 : 83,992.14 = 26,009.20 : x
  2. Step 2: Convert to fraction form
    55,981.12/83,992.14 = 26,009.20/x
  3. Step 3: Cross multiply
    55,981.12x = 83,992.14 × 26,009.20
  4. Step 4: Simplify right side
    55,981.12x = 2,184,568,367.69
  5. Step 5: Solve for x
    x = 2,184,568,367.69/55,981.12
  6. Step 6: Final answer
    x = 39,023.31

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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.