Home / 85,626.21-118,211.67-51,643.27

Finding the Fourth Proportional to 85,626.21, 118,211.67 and 51,643.27

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Solution

The fourth proportional to 85,626.21, 118,211.67 and 51,643.27 is: 71,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,626.21 : 118,211.67 = 51,643.27 : x
  2. Step 2: Convert to fraction form
    85,626.21/118,211.67 = 51,643.27/x
  3. Step 3: Cross multiply
    85,626.21x = 118,211.67 × 51,643.27
  4. Step 4: Simplify right side
    85,626.21x = 6,104,837,338.73
  5. Step 5: Solve for x
    x = 6,104,837,338.73/85,626.21
  6. Step 6: Final answer
    x = 71,296.36

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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.