Home / 113,778.40-170,705.04-53,832.64

Finding the Fourth Proportional to 113,778.40, 170,705.04 and 53,832.64

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Solution

The fourth proportional to 113,778.40, 170,705.04 and 53,832.64 is: 80,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,778.40 : 170,705.04 = 53,832.64 : x
  2. Step 2: Convert to fraction form
    113,778.40/170,705.04 = 53,832.64/x
  3. Step 3: Cross multiply
    113,778.40x = 170,705.04 × 53,832.64
  4. Step 4: Simplify right side
    113,778.40x = 9,189,502,964.51
  5. Step 5: Solve for x
    x = 9,189,502,964.51/113,778.40
  6. Step 6: Final answer
    x = 80,766.67

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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.