Home / 45,412.11-68,142.60-22,038.48

Finding the Fourth Proportional to 45,412.11, 68,142.60 and 22,038.48

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Solution

The fourth proportional to 45,412.11, 68,142.60 and 22,038.48 is: 33,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.11 : 68,142.60 = 22,038.48 : x
  2. Step 2: Convert to fraction form
    45,412.11/68,142.60 = 22,038.48/x
  3. Step 3: Cross multiply
    45,412.11x = 68,142.60 × 22,038.48
  4. Step 4: Simplify right side
    45,412.11x = 1,501,759,327.25
  5. Step 5: Solve for x
    x = 1,501,759,327.25/45,412.11
  6. Step 6: Final answer
    x = 33,069.58

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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.