Home / 47,643.75-71,428.72-27,622.45

Finding the Fourth Proportional to 47,643.75, 71,428.72 and 27,622.45

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Solution

The fourth proportional to 47,643.75, 71,428.72 and 27,622.45 is: 41,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.75 : 71,428.72 = 27,622.45 : x
  2. Step 2: Convert to fraction form
    47,643.75/71,428.72 = 27,622.45/x
  3. Step 3: Cross multiply
    47,643.75x = 71,428.72 × 27,622.45
  4. Step 4: Simplify right side
    47,643.75x = 1,973,035,999.14
  5. Step 5: Solve for x
    x = 1,973,035,999.14/47,643.75
  6. Step 6: Final answer
    x = 41,412.27

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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.