Home / 80,331.36-120,522.24-48,345.33

Finding the Fourth Proportional to 80,331.36, 120,522.24 and 48,345.33

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Solution

The fourth proportional to 80,331.36, 120,522.24 and 48,345.33 is: 72,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,331.36 : 120,522.24 = 48,345.33 : x
  2. Step 2: Convert to fraction form
    80,331.36/120,522.24 = 48,345.33/x
  3. Step 3: Cross multiply
    80,331.36x = 120,522.24 × 48,345.33
  4. Step 4: Simplify right side
    80,331.36x = 5,826,687,465.14
  5. Step 5: Solve for x
    x = 5,826,687,465.14/80,331.36
  6. Step 6: Final answer
    x = 72,533.16

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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.