Home / 57,311.71-78,926.63-41,370.91

Finding the Fourth Proportional to 57,311.71, 78,926.63 and 41,370.91

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Solution

The fourth proportional to 57,311.71, 78,926.63 and 41,370.91 is: 56,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,311.71 : 78,926.63 = 41,370.91 : x
  2. Step 2: Convert to fraction form
    57,311.71/78,926.63 = 41,370.91/x
  3. Step 3: Cross multiply
    57,311.71x = 78,926.63 × 41,370.91
  4. Step 4: Simplify right side
    57,311.71x = 3,265,266,102.16
  5. Step 5: Solve for x
    x = 3,265,266,102.16/57,311.71
  6. Step 6: Final answer
    x = 56,973.81

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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.