Home / 76,512.54-105,603.03-48,199.26

Finding the Fourth Proportional to 76,512.54, 105,603.03 and 48,199.26

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Solution

The fourth proportional to 76,512.54, 105,603.03 and 48,199.26 is: 66,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,512.54 : 105,603.03 = 48,199.26 : x
  2. Step 2: Convert to fraction form
    76,512.54/105,603.03 = 48,199.26/x
  3. Step 3: Cross multiply
    76,512.54x = 105,603.03 × 48,199.26
  4. Step 4: Simplify right side
    76,512.54x = 5,089,987,899.76
  5. Step 5: Solve for x
    x = 5,089,987,899.76/76,512.54
  6. Step 6: Final answer
    x = 66,524.88

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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.