Home / 80,485.17-111,069.35-44,675.61

Finding the Fourth Proportional to 80,485.17, 111,069.35 and 44,675.61

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Solution

The fourth proportional to 80,485.17, 111,069.35 and 44,675.61 is: 61,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485.17 : 111,069.35 = 44,675.61 : x
  2. Step 2: Convert to fraction form
    80,485.17/111,069.35 = 44,675.61/x
  3. Step 3: Cross multiply
    80,485.17x = 111,069.35 × 44,675.61
  4. Step 4: Simplify right side
    80,485.17x = 4,962,090,740.18
  5. Step 5: Solve for x
    x = 4,962,090,740.18/80,485.17
  6. Step 6: Final answer
    x = 61,652.24

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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.