Home / 78,450.80-108,250.83-46,166.22

Finding the Fourth Proportional to 78,450.80, 108,250.83 and 46,166.22

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Solution

The fourth proportional to 78,450.80, 108,250.83 and 46,166.22 is: 63,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,450.80 : 108,250.83 = 46,166.22 : x
  2. Step 2: Convert to fraction form
    78,450.80/108,250.83 = 46,166.22/x
  3. Step 3: Cross multiply
    78,450.80x = 108,250.83 × 46,166.22
  4. Step 4: Simplify right side
    78,450.80x = 4,997,531,632.96
  5. Step 5: Solve for x
    x = 4,997,531,632.96/78,450.80
  6. Step 6: Final answer
    x = 63,702.75

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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.