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Finding the Fourth Proportional to 62,132.85, 85,745.77 and 35,277.86

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Solution

The fourth proportional to 62,132.85, 85,745.77 and 35,277.86 is: 48,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,132.85 : 85,745.77 = 35,277.86 : x
  2. Step 2: Convert to fraction form
    62,132.85/85,745.77 = 35,277.86/x
  3. Step 3: Cross multiply
    62,132.85x = 85,745.77 × 35,277.86
  4. Step 4: Simplify right side
    62,132.85x = 3,024,927,307.63
  5. Step 5: Solve for x
    x = 3,024,927,307.63/62,132.85
  6. Step 6: Final answer
    x = 48,684.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.