Home / 114,959.40-172,455.32-40,068.60

Finding the Fourth Proportional to 114,959.40, 172,455.32 and 40,068.60

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Solution

The fourth proportional to 114,959.40, 172,455.32 and 40,068.60 is: 60,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.40 : 172,455.32 = 40,068.60 : x
  2. Step 2: Convert to fraction form
    114,959.40/172,455.32 = 40,068.60/x
  3. Step 3: Cross multiply
    114,959.40x = 172,455.32 × 40,068.60
  4. Step 4: Simplify right side
    114,959.40x = 6,910,043,234.95
  5. Step 5: Solve for x
    x = 6,910,043,234.95/114,959.40
  6. Step 6: Final answer
    x = 60,108.55

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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.