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Finding the Fourth Proportional to 88,544.61, 122,188 and 48,257.51

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Solution

The fourth proportional to 88,544.61, 122,188 and 48,257.51 is: 66,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,544.61 : 122,188 = 48,257.51 : x
  2. Step 2: Convert to fraction form
    88,544.61/122,188 = 48,257.51/x
  3. Step 3: Cross multiply
    88,544.61x = 122,188 × 48,257.51
  4. Step 4: Simplify right side
    88,544.61x = 5,896,488,631.88
  5. Step 5: Solve for x
    x = 5,896,488,631.88/88,544.61
  6. Step 6: Final answer
    x = 66,593.42

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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.