Home / 77,037.87-106,215.33-58,910.75

Finding the Fourth Proportional to 77,037.87, 106,215.33 and 58,910.75

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Solution

The fourth proportional to 77,037.87, 106,215.33 and 58,910.75 is: 81,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037.87 : 106,215.33 = 58,910.75 : x
  2. Step 2: Convert to fraction form
    77,037.87/106,215.33 = 58,910.75/x
  3. Step 3: Cross multiply
    77,037.87x = 106,215.33 × 58,910.75
  4. Step 4: Simplify right side
    77,037.87x = 6,257,224,751.80
  5. Step 5: Solve for x
    x = 6,257,224,751.80/77,037.87
  6. Step 6: Final answer
    x = 81,222.71

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1.5x scale

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.