Home / 56,111.22-84,163.53-21,047.94

Finding the Fourth Proportional to 56,111.22, 84,163.53 and 21,047.94

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Solution

The fourth proportional to 56,111.22, 84,163.53 and 21,047.94 is: 31,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,111.22 : 84,163.53 = 21,047.94 : x
  2. Step 2: Convert to fraction form
    56,111.22/84,163.53 = 21,047.94/x
  3. Step 3: Cross multiply
    56,111.22x = 84,163.53 × 21,047.94
  4. Step 4: Simplify right side
    56,111.22x = 1,771,468,929.63
  5. Step 5: Solve for x
    x = 1,771,468,929.63/56,111.22
  6. Step 6: Final answer
    x = 31,570.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.