Home / 51,749.10-77,562.90-51,195.06

Finding the Fourth Proportional to 51,749.10, 77,562.90 and 51,195.06

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Solution

The fourth proportional to 51,749.10, 77,562.90 and 51,195.06 is: 76,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,749.10 : 77,562.90 = 51,195.06 : x
  2. Step 2: Convert to fraction form
    51,749.10/77,562.90 = 51,195.06/x
  3. Step 3: Cross multiply
    51,749.10x = 77,562.90 × 51,195.06
  4. Step 4: Simplify right side
    51,749.10x = 3,970,837,319.27
  5. Step 5: Solve for x
    x = 3,970,837,319.27/51,749.10
  6. Step 6: Final answer
    x = 76,732.49

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1.5x scale

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.