Home / 53,603.34-80,408.85-14,160.06

Finding the Fourth Proportional to 53,603.34, 80,408.85 and 14,160.06

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Solution

The fourth proportional to 53,603.34, 80,408.85 and 14,160.06 is: 21,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.34 : 80,408.85 = 14,160.06 : x
  2. Step 2: Convert to fraction form
    53,603.34/80,408.85 = 14,160.06/x
  3. Step 3: Cross multiply
    53,603.34x = 80,408.85 × 14,160.06
  4. Step 4: Simplify right side
    53,603.34x = 1,138,594,140.53
  5. Step 5: Solve for x
    x = 1,138,594,140.53/53,603.34
  6. Step 6: Final answer
    x = 21,241.10

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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.