Home / 56,721.40-85,082.10-33,004.60

Finding the Fourth Proportional to 56,721.40, 85,082.10 and 33,004.60

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Solution

The fourth proportional to 56,721.40, 85,082.10 and 33,004.60 is: 49,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.40 : 85,082.10 = 33,004.60 : x
  2. Step 2: Convert to fraction form
    56,721.40/85,082.10 = 33,004.60/x
  3. Step 3: Cross multiply
    56,721.40x = 85,082.10 × 33,004.60
  4. Step 4: Simplify right side
    56,721.40x = 2,808,100,677.66
  5. Step 5: Solve for x
    x = 2,808,100,677.66/56,721.40
  6. Step 6: Final answer
    x = 49,506.90

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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.