Home / 74,317.32-111,485.70-39,258.36

Finding the Fourth Proportional to 74,317.32, 111,485.70 and 39,258.36

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Solution

The fourth proportional to 74,317.32, 111,485.70 and 39,258.36 is: 58,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.32 : 111,485.70 = 39,258.36 : x
  2. Step 2: Convert to fraction form
    74,317.32/111,485.70 = 39,258.36/x
  3. Step 3: Cross multiply
    74,317.32x = 111,485.70 × 39,258.36
  4. Step 4: Simplify right side
    74,317.32x = 4,376,745,745.45
  5. Step 5: Solve for x
    x = 4,376,745,745.45/74,317.32
  6. Step 6: Final answer
    x = 58,892.67

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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.