Home / 74,760.74-103,615.13-73,361.06

Finding the Fourth Proportional to 74,760.74, 103,615.13 and 73,361.06

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Solution

The fourth proportional to 74,760.74, 103,615.13 and 73,361.06 is: 101,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,760.74 : 103,615.13 = 73,361.06 : x
  2. Step 2: Convert to fraction form
    74,760.74/103,615.13 = 73,361.06/x
  3. Step 3: Cross multiply
    74,760.74x = 103,615.13 × 73,361.06
  4. Step 4: Simplify right side
    74,760.74x = 7,601,315,768.84
  5. Step 5: Solve for x
    x = 7,601,315,768.84/74,760.74
  6. Step 6: Final answer
    x = 101,675.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.