Home / 78,017.37-107,637.22-44,021.67

Finding the Fourth Proportional to 78,017.37, 107,637.22 and 44,021.67

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Solution

The fourth proportional to 78,017.37, 107,637.22 and 44,021.67 is: 60,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,017.37 : 107,637.22 = 44,021.67 : x
  2. Step 2: Convert to fraction form
    78,017.37/107,637.22 = 44,021.67/x
  3. Step 3: Cross multiply
    78,017.37x = 107,637.22 × 44,021.67
  4. Step 4: Simplify right side
    78,017.37x = 4,738,370,178.56
  5. Step 5: Solve for x
    x = 4,738,370,178.56/78,017.37
  6. Step 6: Final answer
    x = 60,734.81

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1.5x scale

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.