Home / 115,990.30-173,884.20-44,961.40

Finding the Fourth Proportional to 115,990.30, 173,884.20 and 44,961.40

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Solution

The fourth proportional to 115,990.30, 173,884.20 and 44,961.40 is: 67,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,990.30 : 173,884.20 = 44,961.40 : x
  2. Step 2: Convert to fraction form
    115,990.30/173,884.20 = 44,961.40/x
  3. Step 3: Cross multiply
    115,990.30x = 173,884.20 × 44,961.40
  4. Step 4: Simplify right side
    115,990.30x = 7,818,077,069.88
  5. Step 5: Solve for x
    x = 7,818,077,069.88/115,990.30
  6. Step 6: Final answer
    x = 67,402.85

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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.