Home / 51,245.55-70,719.24-28,586.02

Finding the Fourth Proportional to 51,245.55, 70,719.24 and 28,586.02

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Solution

The fourth proportional to 51,245.55, 70,719.24 and 28,586.02 is: 39,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.55 : 70,719.24 = 28,586.02 : x
  2. Step 2: Convert to fraction form
    51,245.55/70,719.24 = 28,586.02/x
  3. Step 3: Cross multiply
    51,245.55x = 70,719.24 × 28,586.02
  4. Step 4: Simplify right side
    51,245.55x = 2,021,581,609.02
  5. Step 5: Solve for x
    x = 2,021,581,609.02/51,245.55
  6. Step 6: Final answer
    x = 39,448.92

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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.