Home / 85,544.67-128,334.06-26,377.77

Finding the Fourth Proportional to 85,544.67, 128,334.06 and 26,377.77

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Solution

The fourth proportional to 85,544.67, 128,334.06 and 26,377.77 is: 39,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544.67 : 128,334.06 = 26,377.77 : x
  2. Step 2: Convert to fraction form
    85,544.67/128,334.06 = 26,377.77/x
  3. Step 3: Cross multiply
    85,544.67x = 128,334.06 × 26,377.77
  4. Step 4: Simplify right side
    85,544.67x = 3,385,166,317.85
  5. Step 5: Solve for x
    x = 3,385,166,317.85/85,544.67
  6. Step 6: Final answer
    x = 39,571.91

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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.