Home / 102,006.96-153,032.04-31,891.56

Finding the Fourth Proportional to 102,006.96, 153,032.04 and 31,891.56

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Solution

The fourth proportional to 102,006.96, 153,032.04 and 31,891.56 is: 47,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,006.96 : 153,032.04 = 31,891.56 : x
  2. Step 2: Convert to fraction form
    102,006.96/153,032.04 = 31,891.56/x
  3. Step 3: Cross multiply
    102,006.96x = 153,032.04 × 31,891.56
  4. Step 4: Simplify right side
    102,006.96x = 4,880,430,485.58
  5. Step 5: Solve for x
    x = 4,880,430,485.58/102,006.96
  6. Step 6: Final answer
    x = 47,844.09

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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.