Home / 43,643.22-65,463.51-12,055.21

Finding the Fourth Proportional to 43,643.22, 65,463.51 and 12,055.21

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Solution

The fourth proportional to 43,643.22, 65,463.51 and 12,055.21 is: 18,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.22 : 65,463.51 = 12,055.21 : x
  2. Step 2: Convert to fraction form
    43,643.22/65,463.51 = 12,055.21/x
  3. Step 3: Cross multiply
    43,643.22x = 65,463.51 × 12,055.21
  4. Step 4: Simplify right side
    43,643.22x = 789,176,360.39
  5. Step 5: Solve for x
    x = 789,176,360.39/43,643.22
  6. Step 6: Final answer
    x = 18,082.45

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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.