Home / 50,134.41-69,188.85-28,915.11

Finding the Fourth Proportional to 50,134.41, 69,188.85 and 28,915.11

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Solution

The fourth proportional to 50,134.41, 69,188.85 and 28,915.11 is: 39,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,134.41 : 69,188.85 = 28,915.11 : x
  2. Step 2: Convert to fraction form
    50,134.41/69,188.85 = 28,915.11/x
  3. Step 3: Cross multiply
    50,134.41x = 69,188.85 × 28,915.11
  4. Step 4: Simplify right side
    50,134.41x = 2,000,603,208.52
  5. Step 5: Solve for x
    x = 2,000,603,208.52/50,134.41
  6. Step 6: Final answer
    x = 39,904.79

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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.