Home / 56,928.44-85,772.21-51,388.04

Finding the Fourth Proportional to 56,928.44, 85,772.21 and 51,388.04

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Solution

The fourth proportional to 56,928.44, 85,772.21 and 51,388.04 is: 77,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.44 : 85,772.21 = 51,388.04 : x
  2. Step 2: Convert to fraction form
    56,928.44/85,772.21 = 51,388.04/x
  3. Step 3: Cross multiply
    56,928.44x = 85,772.21 × 51,388.04
  4. Step 4: Simplify right side
    56,928.44x = 4,407,665,758.37
  5. Step 5: Solve for x
    x = 4,407,665,758.37/56,928.44
  6. Step 6: Final answer
    x = 77,424.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.