Home / 80,820.83-111,583.81-59,563.07

Finding the Fourth Proportional to 80,820.83, 111,583.81 and 59,563.07

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Solution

The fourth proportional to 80,820.83, 111,583.81 and 59,563.07 is: 82,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820.83 : 111,583.81 = 59,563.07 : x
  2. Step 2: Convert to fraction form
    80,820.83/111,583.81 = 59,563.07/x
  3. Step 3: Cross multiply
    80,820.83x = 111,583.81 × 59,563.07
  4. Step 4: Simplify right side
    80,820.83x = 6,646,274,639.31
  5. Step 5: Solve for x
    x = 6,646,274,639.31/80,820.83
  6. Step 6: Final answer
    x = 82,234.67

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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.