Home / 93,974.94-129,857.22-68,436.81

Finding the Fourth Proportional to 93,974.94, 129,857.22 and 68,436.81

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Solution

The fourth proportional to 93,974.94, 129,857.22 and 68,436.81 is: 94,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,974.94 : 129,857.22 = 68,436.81 : x
  2. Step 2: Convert to fraction form
    93,974.94/129,857.22 = 68,436.81/x
  3. Step 3: Cross multiply
    93,974.94x = 129,857.22 × 68,436.81
  4. Step 4: Simplify right side
    93,974.94x = 8,887,013,892.27
  5. Step 5: Solve for x
    x = 8,887,013,892.27/93,974.94
  6. Step 6: Final answer
    x = 94,567.91

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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.