Home / 69,607.76-104,407.32-30,137.36

Finding the Fourth Proportional to 69,607.76, 104,407.32 and 30,137.36

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Solution

The fourth proportional to 69,607.76, 104,407.32 and 30,137.36 is: 45,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607.76 : 104,407.32 = 30,137.36 : x
  2. Step 2: Convert to fraction form
    69,607.76/104,407.32 = 30,137.36/x
  3. Step 3: Cross multiply
    69,607.76x = 104,407.32 × 30,137.36
  4. Step 4: Simplify right side
    69,607.76x = 3,146,560,989.48
  5. Step 5: Solve for x
    x = 3,146,560,989.48/69,607.76
  6. Step 6: Final answer
    x = 45,204.17

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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.