Home / 93,163.08-139,812.30-69,852.36

Finding the Fourth Proportional to 93,163.08, 139,812.30 and 69,852.36

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Solution

The fourth proportional to 93,163.08, 139,812.30 and 69,852.36 is: 104,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.08 : 139,812.30 = 69,852.36 : x
  2. Step 2: Convert to fraction form
    93,163.08/139,812.30 = 69,852.36/x
  3. Step 3: Cross multiply
    93,163.08x = 139,812.30 × 69,852.36
  4. Step 4: Simplify right side
    93,163.08x = 9,766,219,112.03
  5. Step 5: Solve for x
    x = 9,766,219,112.03/93,163.08
  6. Step 6: Final answer
    x = 104,829.29

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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.