Home / 55,606.07-83,408.42-13,486.50

Finding the Fourth Proportional to 55,606.07, 83,408.42 and 13,486.50

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Solution

The fourth proportional to 55,606.07, 83,408.42 and 13,486.50 is: 20,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.07 : 83,408.42 = 13,486.50 : x
  2. Step 2: Convert to fraction form
    55,606.07/83,408.42 = 13,486.50/x
  3. Step 3: Cross multiply
    55,606.07x = 83,408.42 × 13,486.50
  4. Step 4: Simplify right side
    55,606.07x = 1,124,887,671.08
  5. Step 5: Solve for x
    x = 1,124,887,671.08/55,606.07
  6. Step 6: Final answer
    x = 20,229.58

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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.