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Finding the Fourth Proportional to 88,773.07, 122,509.48 and 48,487.51

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Solution

The fourth proportional to 88,773.07, 122,509.48 and 48,487.51 is: 66,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,773.07 : 122,509.48 = 48,487.51 : x
  2. Step 2: Convert to fraction form
    88,773.07/122,509.48 = 48,487.51/x
  3. Step 3: Cross multiply
    88,773.07x = 122,509.48 × 48,487.51
  4. Step 4: Simplify right side
    88,773.07x = 5,940,179,024.05
  5. Step 5: Solve for x
    x = 5,940,179,024.05/88,773.07
  6. Step 6: Final answer
    x = 66,914.20

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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.