Home / 168,023.72-252,041.70-55,713.76

Finding the Fourth Proportional to 168,023.72, 252,041.70 and 55,713.76

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Solution

The fourth proportional to 168,023.72, 252,041.70 and 55,713.76 is: 83,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.72 : 252,041.70 = 55,713.76 : x
  2. Step 2: Convert to fraction form
    168,023.72/252,041.70 = 55,713.76/x
  3. Step 3: Cross multiply
    168,023.72x = 252,041.70 × 55,713.76
  4. Step 4: Simplify right side
    168,023.72x = 14,042,190,153.69
  5. Step 5: Solve for x
    x = 14,042,190,153.69/168,023.72
  6. Step 6: Final answer
    x = 83,572.67

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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.