Home / 70,743.35-97,625.39-40,122.29

Finding the Fourth Proportional to 70,743.35, 97,625.39 and 40,122.29

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Solution

The fourth proportional to 70,743.35, 97,625.39 and 40,122.29 is: 55,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.35 : 97,625.39 = 40,122.29 : x
  2. Step 2: Convert to fraction form
    70,743.35/97,625.39 = 40,122.29/x
  3. Step 3: Cross multiply
    70,743.35x = 97,625.39 × 40,122.29
  4. Step 4: Simplify right side
    70,743.35x = 3,916,954,252.40
  5. Step 5: Solve for x
    x = 3,916,954,252.40/70,743.35
  6. Step 6: Final answer
    x = 55,368.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.