Home / 120,994.08-166,947.24-70,683.36

Finding the Fourth Proportional to 120,994.08, 166,947.24 and 70,683.36

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Solution

The fourth proportional to 120,994.08, 166,947.24 and 70,683.36 is: 97,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994.08 : 166,947.24 = 70,683.36 : x
  2. Step 2: Convert to fraction form
    120,994.08/166,947.24 = 70,683.36/x
  3. Step 3: Cross multiply
    120,994.08x = 166,947.24 × 70,683.36
  4. Step 4: Simplify right side
    120,994.08x = 11,800,391,865.93
  5. Step 5: Solve for x
    x = 11,800,391,865.93/120,994.08
  6. Step 6: Final answer
    x = 97,528.67

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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.