Home / 45,368.10-67,994.64-19,042.29

Finding the Fourth Proportional to 45,368.10, 67,994.64 and 19,042.29

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Solution

The fourth proportional to 45,368.10, 67,994.64 and 19,042.29 is: 28,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,368.10 : 67,994.64 = 19,042.29 : x
  2. Step 2: Convert to fraction form
    45,368.10/67,994.64 = 19,042.29/x
  3. Step 3: Cross multiply
    45,368.10x = 67,994.64 × 19,042.29
  4. Step 4: Simplify right side
    45,368.10x = 1,294,773,653.33
  5. Step 5: Solve for x
    x = 1,294,773,653.33/45,368.10
  6. Step 6: Final answer
    x = 28,539.30

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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.