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Finding the Fourth Proportional to 61,513.94, 92,199.22 and 28,237.52

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Solution

The fourth proportional to 61,513.94, 92,199.22 and 28,237.52 is: 42,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,513.94 : 92,199.22 = 28,237.52 : x
  2. Step 2: Convert to fraction form
    61,513.94/92,199.22 = 28,237.52/x
  3. Step 3: Cross multiply
    61,513.94x = 92,199.22 × 28,237.52
  4. Step 4: Simplify right side
    61,513.94x = 2,603,477,318.73
  5. Step 5: Solve for x
    x = 2,603,477,318.73/61,513.94
  6. Step 6: Final answer
    x = 42,323.37

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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.