Home / 57,840.12-86,682.42-22,770.36

Finding the Fourth Proportional to 57,840.12, 86,682.42 and 22,770.36

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Solution

The fourth proportional to 57,840.12, 86,682.42 and 22,770.36 is: 34,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.12 : 86,682.42 = 22,770.36 : x
  2. Step 2: Convert to fraction form
    57,840.12/86,682.42 = 22,770.36/x
  3. Step 3: Cross multiply
    57,840.12x = 86,682.42 × 22,770.36
  4. Step 4: Simplify right side
    57,840.12x = 1,973,789,909.07
  5. Step 5: Solve for x
    x = 1,973,789,909.07/57,840.12
  6. Step 6: Final answer
    x = 34,124.93

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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.