Home / 104,940.23-157,363.90-30,043.31

Finding the Fourth Proportional to 104,940.23, 157,363.90 and 30,043.31

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Solution

The fourth proportional to 104,940.23, 157,363.90 and 30,043.31 is: 45,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.23 : 157,363.90 = 30,043.31 : x
  2. Step 2: Convert to fraction form
    104,940.23/157,363.90 = 30,043.31/x
  3. Step 3: Cross multiply
    104,940.23x = 157,363.90 × 30,043.31
  4. Step 4: Simplify right side
    104,940.23x = 4,727,731,568.58
  5. Step 5: Solve for x
    x = 4,727,731,568.58/104,940.23
  6. Step 6: Final answer
    x = 45,051.66

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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.