Home / 55,868.23-83,784.57-18,421.32

Finding the Fourth Proportional to 55,868.23, 83,784.57 and 18,421.32

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Solution

The fourth proportional to 55,868.23, 83,784.57 and 18,421.32 is: 27,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.23 : 83,784.57 = 18,421.32 : x
  2. Step 2: Convert to fraction form
    55,868.23/83,784.57 = 18,421.32/x
  3. Step 3: Cross multiply
    55,868.23x = 83,784.57 × 18,421.32
  4. Step 4: Simplify right side
    55,868.23x = 1,543,422,375.03
  5. Step 5: Solve for x
    x = 1,543,422,375.03/55,868.23
  6. Step 6: Final answer
    x = 27,626.12

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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.