Home / 80,210.73-120,434.37-44,741.35

Finding the Fourth Proportional to 80,210.73, 120,434.37 and 44,741.35

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Solution

The fourth proportional to 80,210.73, 120,434.37 and 44,741.35 is: 67,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210.73 : 120,434.37 = 44,741.35 : x
  2. Step 2: Convert to fraction form
    80,210.73/120,434.37 = 44,741.35/x
  3. Step 3: Cross multiply
    80,210.73x = 120,434.37 × 44,741.35
  4. Step 4: Simplify right side
    80,210.73x = 5,388,395,999.11
  5. Step 5: Solve for x
    x = 5,388,395,999.11/80,210.73
  6. Step 6: Final answer
    x = 67,178.00

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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.