Home / 55,981.16-83,956.14-18,544.16

Finding the Fourth Proportional to 55,981.16, 83,956.14 and 18,544.16

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Solution

The fourth proportional to 55,981.16, 83,956.14 and 18,544.16 is: 27,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.16 : 83,956.14 = 18,544.16 : x
  2. Step 2: Convert to fraction form
    55,981.16/83,956.14 = 18,544.16/x
  3. Step 3: Cross multiply
    55,981.16x = 83,956.14 × 18,544.16
  4. Step 4: Simplify right side
    55,981.16x = 1,556,896,093.14
  5. Step 5: Solve for x
    x = 1,556,896,093.14/55,981.16
  6. Step 6: Final answer
    x = 27,811.07

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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.