Home / 75,857.96-104,624.83-48,636.65

Finding the Fourth Proportional to 75,857.96, 104,624.83 and 48,636.65

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Solution

The fourth proportional to 75,857.96, 104,624.83 and 48,636.65 is: 67,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,857.96 : 104,624.83 = 48,636.65 : x
  2. Step 2: Convert to fraction form
    75,857.96/104,624.83 = 48,636.65/x
  3. Step 3: Cross multiply
    75,857.96x = 104,624.83 × 48,636.65
  4. Step 4: Simplify right side
    75,857.96x = 5,088,601,000.89
  5. Step 5: Solve for x
    x = 5,088,601,000.89/75,857.96
  6. Step 6: Final answer
    x = 67,080.64

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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.