Home / 82,438.20-113,763.36-46,626.86

Finding the Fourth Proportional to 82,438.20, 113,763.36 and 46,626.86

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Solution

The fourth proportional to 82,438.20, 113,763.36 and 46,626.86 is: 64,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,438.20 : 113,763.36 = 46,626.86 : x
  2. Step 2: Convert to fraction form
    82,438.20/113,763.36 = 46,626.86/x
  3. Step 3: Cross multiply
    82,438.20x = 113,763.36 × 46,626.86
  4. Step 4: Simplify right side
    82,438.20x = 5,304,428,259.85
  5. Step 5: Solve for x
    x = 5,304,428,259.85/82,438.20
  6. Step 6: Final answer
    x = 64,344.30

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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.