Home / 82,643.36-123,973.24-26,469.36

Finding the Fourth Proportional to 82,643.36, 123,973.24 and 26,469.36

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Solution

The fourth proportional to 82,643.36, 123,973.24 and 26,469.36 is: 39,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,643.36 : 123,973.24 = 26,469.36 : x
  2. Step 2: Convert to fraction form
    82,643.36/123,973.24 = 26,469.36/x
  3. Step 3: Cross multiply
    82,643.36x = 123,973.24 × 26,469.36
  4. Step 4: Simplify right side
    82,643.36x = 3,281,492,319.93
  5. Step 5: Solve for x
    x = 3,281,492,319.93/82,643.36
  6. Step 6: Final answer
    x = 39,706.67

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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.