Home / 80,539.58-111,153.43-46,087.50

Finding the Fourth Proportional to 80,539.58, 111,153.43 and 46,087.50

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Solution

The fourth proportional to 80,539.58, 111,153.43 and 46,087.50 is: 63,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.58 : 111,153.43 = 46,087.50 : x
  2. Step 2: Convert to fraction form
    80,539.58/111,153.43 = 46,087.50/x
  3. Step 3: Cross multiply
    80,539.58x = 111,153.43 × 46,087.50
  4. Step 4: Simplify right side
    80,539.58x = 5,122,783,705.13
  5. Step 5: Solve for x
    x = 5,122,783,705.13/80,539.58
  6. Step 6: Final answer
    x = 63,605.79

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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.