Home / 55,584.81-76,706.57-30,090.67

Finding the Fourth Proportional to 55,584.81, 76,706.57 and 30,090.67

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Solution

The fourth proportional to 55,584.81, 76,706.57 and 30,090.67 is: 41,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,584.81 : 76,706.57 = 30,090.67 : x
  2. Step 2: Convert to fraction form
    55,584.81/76,706.57 = 30,090.67/x
  3. Step 3: Cross multiply
    55,584.81x = 76,706.57 × 30,090.67
  4. Step 4: Simplify right side
    55,584.81x = 2,308,151,968.16
  5. Step 5: Solve for x
    x = 2,308,151,968.16/55,584.81
  6. Step 6: Final answer
    x = 41,524.87

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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.