Home / 57,400.08-85,848.32-51,119.28

Finding the Fourth Proportional to 57,400.08, 85,848.32 and 51,119.28

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Solution

The fourth proportional to 57,400.08, 85,848.32 and 51,119.28 is: 76,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.08 : 85,848.32 = 51,119.28 : x
  2. Step 2: Convert to fraction form
    57,400.08/85,848.32 = 51,119.28/x
  3. Step 3: Cross multiply
    57,400.08x = 85,848.32 × 51,119.28
  4. Step 4: Simplify right side
    57,400.08x = 4,388,504,307.61
  5. Step 5: Solve for x
    x = 4,388,504,307.61/57,400.08
  6. Step 6: Final answer
    x = 76,454.67

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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.