Home / 61,722.11-85,176.63-33,427.80

Finding the Fourth Proportional to 61,722.11, 85,176.63 and 33,427.80

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Solution

The fourth proportional to 61,722.11, 85,176.63 and 33,427.80 is: 46,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.11 : 85,176.63 = 33,427.80 : x
  2. Step 2: Convert to fraction form
    61,722.11/85,176.63 = 33,427.80/x
  3. Step 3: Cross multiply
    61,722.11x = 85,176.63 × 33,427.80
  4. Step 4: Simplify right side
    61,722.11x = 2,847,267,352.31
  5. Step 5: Solve for x
    x = 2,847,267,352.31/61,722.11
  6. Step 6: Final answer
    x = 46,130.43

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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.