Home / 65,464.22-90,344.50-49,303.03

Finding the Fourth Proportional to 65,464.22, 90,344.50 and 49,303.03

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Solution

The fourth proportional to 65,464.22, 90,344.50 and 49,303.03 is: 68,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,464.22 : 90,344.50 = 49,303.03 : x
  2. Step 2: Convert to fraction form
    65,464.22/90,344.50 = 49,303.03/x
  3. Step 3: Cross multiply
    65,464.22x = 90,344.50 × 49,303.03
  4. Step 4: Simplify right side
    65,464.22x = 4,454,256,895.60
  5. Step 5: Solve for x
    x = 4,454,256,895.60/65,464.22
  6. Step 6: Final answer
    x = 68,041.09

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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.