Home / 50,702.24-76,119.60-40,712.32

Finding the Fourth Proportional to 50,702.24, 76,119.60 and 40,712.32

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Solution

The fourth proportional to 50,702.24, 76,119.60 and 40,712.32 is: 61,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,702.24 : 76,119.60 = 40,712.32 : x
  2. Step 2: Convert to fraction form
    50,702.24/76,119.60 = 40,712.32/x
  3. Step 3: Cross multiply
    50,702.24x = 76,119.60 × 40,712.32
  4. Step 4: Simplify right side
    50,702.24x = 3,099,005,513.47
  5. Step 5: Solve for x
    x = 3,099,005,513.47/50,702.24
  6. Step 6: Final answer
    x = 61,121.67

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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.