Home / 87,154.70-130,775.26-34,563.02

Finding the Fourth Proportional to 87,154.70, 130,775.26 and 34,563.02

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Solution

The fourth proportional to 87,154.70, 130,775.26 and 34,563.02 is: 51,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,154.70 : 130,775.26 = 34,563.02 : x
  2. Step 2: Convert to fraction form
    87,154.70/130,775.26 = 34,563.02/x
  3. Step 3: Cross multiply
    87,154.70x = 130,775.26 × 34,563.02
  4. Step 4: Simplify right side
    87,154.70x = 4,519,987,926.89
  5. Step 5: Solve for x
    x = 4,519,987,926.89/87,154.70
  6. Step 6: Final answer
    x = 51,861.67

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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.