Home / 86,977.96-130,446.48-49,043.53

Finding the Fourth Proportional to 86,977.96, 130,446.48 and 49,043.53

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Solution

The fourth proportional to 86,977.96, 130,446.48 and 49,043.53 is: 73,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977.96 : 130,446.48 = 49,043.53 : x
  2. Step 2: Convert to fraction form
    86,977.96/130,446.48 = 49,043.53/x
  3. Step 3: Cross multiply
    86,977.96x = 130,446.48 × 49,043.53
  4. Step 4: Simplify right side
    86,977.96x = 6,397,555,855.27
  5. Step 5: Solve for x
    x = 6,397,555,855.27/86,977.96
  6. Step 6: Final answer
    x = 73,553.76

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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.