Home / 77,150.07-115,633.98-29,735.91

Finding the Fourth Proportional to 77,150.07, 115,633.98 and 29,735.91

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Solution

The fourth proportional to 77,150.07, 115,633.98 and 29,735.91 is: 44,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,150.07 : 115,633.98 = 29,735.91 : x
  2. Step 2: Convert to fraction form
    77,150.07/115,633.98 = 29,735.91/x
  3. Step 3: Cross multiply
    77,150.07x = 115,633.98 × 29,735.91
  4. Step 4: Simplify right side
    77,150.07x = 3,438,481,622.22
  5. Step 5: Solve for x
    x = 3,438,481,622.22/77,150.07
  6. Step 6: Final answer
    x = 44,568.74

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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.