Home / 50,125.76-69,168.52-29,978.60

Finding the Fourth Proportional to 50,125.76, 69,168.52 and 29,978.60

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Solution

The fourth proportional to 50,125.76, 69,168.52 and 29,978.60 is: 41,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,125.76 : 69,168.52 = 29,978.60 : x
  2. Step 2: Convert to fraction form
    50,125.76/69,168.52 = 29,978.60/x
  3. Step 3: Cross multiply
    50,125.76x = 69,168.52 × 29,978.60
  4. Step 4: Simplify right side
    50,125.76x = 2,073,575,393.67
  5. Step 5: Solve for x
    x = 2,073,575,393.67/50,125.76
  6. Step 6: Final answer
    x = 41,367.46

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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.