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Finding the Fourth Proportional to 93,761.88, 129,391.44 and 51,320.64

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Solution

The fourth proportional to 93,761.88, 129,391.44 and 51,320.64 is: 70,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,761.88 : 129,391.44 = 51,320.64 : x
  2. Step 2: Convert to fraction form
    93,761.88/129,391.44 = 51,320.64/x
  3. Step 3: Cross multiply
    93,761.88x = 129,391.44 × 51,320.64
  4. Step 4: Simplify right side
    93,761.88x = 6,640,451,511.32
  5. Step 5: Solve for x
    x = 6,640,451,511.32/93,761.88
  6. Step 6: Final answer
    x = 70,822.51

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