Home / 74,130.21-111,261.74-60,057.27

Finding the Fourth Proportional to 74,130.21, 111,261.74 and 60,057.27

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Solution

The fourth proportional to 74,130.21, 111,261.74 and 60,057.27 is: 90,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.21 : 111,261.74 = 60,057.27 : x
  2. Step 2: Convert to fraction form
    74,130.21/111,261.74 = 60,057.27/x
  3. Step 3: Cross multiply
    74,130.21x = 111,261.74 × 60,057.27
  4. Step 4: Simplify right side
    74,130.21x = 6,682,076,059.56
  5. Step 5: Solve for x
    x = 6,682,076,059.56/74,130.21
  6. Step 6: Final answer
    x = 90,139.72

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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.