Home / 55,615.55-76,687.96-35,440.48

Finding the Fourth Proportional to 55,615.55, 76,687.96 and 35,440.48

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Solution

The fourth proportional to 55,615.55, 76,687.96 and 35,440.48 is: 48,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.55 : 76,687.96 = 35,440.48 : x
  2. Step 2: Convert to fraction form
    55,615.55/76,687.96 = 35,440.48/x
  3. Step 3: Cross multiply
    55,615.55x = 76,687.96 × 35,440.48
  4. Step 4: Simplify right side
    55,615.55x = 2,717,858,112.62
  5. Step 5: Solve for x
    x = 2,717,858,112.62/55,615.55
  6. Step 6: Final answer
    x = 48,868.67

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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.