Home / 80,358.34-120,528.25-32,325.15

Finding the Fourth Proportional to 80,358.34, 120,528.25 and 32,325.15

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Solution

The fourth proportional to 80,358.34, 120,528.25 and 32,325.15 is: 48,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,358.34 : 120,528.25 = 32,325.15 : x
  2. Step 2: Convert to fraction form
    80,358.34/120,528.25 = 32,325.15/x
  3. Step 3: Cross multiply
    80,358.34x = 120,528.25 × 32,325.15
  4. Step 4: Simplify right side
    80,358.34x = 3,896,093,760.49
  5. Step 5: Solve for x
    x = 3,896,093,760.49/80,358.34
  6. Step 6: Final answer
    x = 48,484.00

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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.