Home / 51,866.82-71,577.63-31,723.34

Finding the Fourth Proportional to 51,866.82, 71,577.63 and 31,723.34

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Solution

The fourth proportional to 51,866.82, 71,577.63 and 31,723.34 is: 43,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.82 : 71,577.63 = 31,723.34 : x
  2. Step 2: Convert to fraction form
    51,866.82/71,577.63 = 31,723.34/x
  3. Step 3: Cross multiply
    51,866.82x = 71,577.63 × 31,723.34
  4. Step 4: Simplify right side
    51,866.82x = 2,270,681,135.00
  5. Step 5: Solve for x
    x = 2,270,681,135.00/51,866.82
  6. Step 6: Final answer
    x = 43,779.07

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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.