Home / 115,753.86-173,651.58-40,917.69

Finding the Fourth Proportional to 115,753.86, 173,651.58 and 40,917.69

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Solution

The fourth proportional to 115,753.86, 173,651.58 and 40,917.69 is: 61,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753.86 : 173,651.58 = 40,917.69 : x
  2. Step 2: Convert to fraction form
    115,753.86/173,651.58 = 40,917.69/x
  3. Step 3: Cross multiply
    115,753.86x = 173,651.58 × 40,917.69
  4. Step 4: Simplify right side
    115,753.86x = 7,105,421,518.45
  5. Step 5: Solve for x
    x = 7,105,421,518.45/115,753.86
  6. Step 6: Final answer
    x = 61,383.88

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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.