Home / 55,874.35-83,816.59-18,434.53

Finding the Fourth Proportional to 55,874.35, 83,816.59 and 18,434.53

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Solution

The fourth proportional to 55,874.35, 83,816.59 and 18,434.53 is: 27,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,874.35 : 83,816.59 = 18,434.53 : x
  2. Step 2: Convert to fraction form
    55,874.35/83,816.59 = 18,434.53/x
  3. Step 3: Cross multiply
    55,874.35x = 83,816.59 × 18,434.53
  4. Step 4: Simplify right side
    55,874.35x = 1,545,119,187.22
  5. Step 5: Solve for x
    x = 1,545,119,187.22/55,874.35
  6. Step 6: Final answer
    x = 27,653.46

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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.