Home / 55,886.35-83,784.39-18,423.04

Finding the Fourth Proportional to 55,886.35, 83,784.39 and 18,423.04

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Solution

The fourth proportional to 55,886.35, 83,784.39 and 18,423.04 is: 27,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.35 : 83,784.39 = 18,423.04 : x
  2. Step 2: Convert to fraction form
    55,886.35/83,784.39 = 18,423.04/x
  3. Step 3: Cross multiply
    55,886.35x = 83,784.39 × 18,423.04
  4. Step 4: Simplify right side
    55,886.35x = 1,543,563,168.35
  5. Step 5: Solve for x
    x = 1,543,563,168.35/55,886.35
  6. Step 6: Final answer
    x = 27,619.68

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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.