Home / 80,701.45-121,071.60-25,297.45

Finding the Fourth Proportional to 80,701.45, 121,071.60 and 25,297.45

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Solution

The fourth proportional to 80,701.45, 121,071.60 and 25,297.45 is: 37,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,701.45 : 121,071.60 = 25,297.45 : x
  2. Step 2: Convert to fraction form
    80,701.45/121,071.60 = 25,297.45/x
  3. Step 3: Cross multiply
    80,701.45x = 121,071.60 × 25,297.45
  4. Step 4: Simplify right side
    80,701.45x = 3,062,802,142.06
  5. Step 5: Solve for x
    x = 3,062,802,142.06/80,701.45
  6. Step 6: Final answer
    x = 37,952.26

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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.