Home / 65,623.37-90,551.93-41,415.30

Finding the Fourth Proportional to 65,623.37, 90,551.93 and 41,415.30

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Solution

The fourth proportional to 65,623.37, 90,551.93 and 41,415.30 is: 57,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.37 : 90,551.93 = 41,415.30 : x
  2. Step 2: Convert to fraction form
    65,623.37/90,551.93 = 41,415.30/x
  3. Step 3: Cross multiply
    65,623.37x = 90,551.93 × 41,415.30
  4. Step 4: Simplify right side
    65,623.37x = 3,750,235,139.45
  5. Step 5: Solve for x
    x = 3,750,235,139.45/65,623.37
  6. Step 6: Final answer
    x = 57,147.86

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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.