Home / 56,729.55-85,069.22-21,644.67

Finding the Fourth Proportional to 56,729.55, 85,069.22 and 21,644.67

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Solution

The fourth proportional to 56,729.55, 85,069.22 and 21,644.67 is: 32,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.55 : 85,069.22 = 21,644.67 : x
  2. Step 2: Convert to fraction form
    56,729.55/85,069.22 = 21,644.67/x
  3. Step 3: Cross multiply
    56,729.55x = 85,069.22 × 21,644.67
  4. Step 4: Simplify right side
    56,729.55x = 1,841,295,085.83
  5. Step 5: Solve for x
    x = 1,841,295,085.83/56,729.55
  6. Step 6: Final answer
    x = 32,457.42

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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.