Home / 55,512.54-76,607.91-30,361.50

Finding the Fourth Proportional to 55,512.54, 76,607.91 and 30,361.50

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Solution

The fourth proportional to 55,512.54, 76,607.91 and 30,361.50 is: 41,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.54 : 76,607.91 = 30,361.50 : x
  2. Step 2: Convert to fraction form
    55,512.54/76,607.91 = 30,361.50/x
  3. Step 3: Cross multiply
    55,512.54x = 76,607.91 × 30,361.50
  4. Step 4: Simplify right side
    55,512.54x = 2,325,931,059.47
  5. Step 5: Solve for x
    x = 2,325,931,059.47/55,512.54
  6. Step 6: Final answer
    x = 41,899.20

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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.