Home / 76,476.29-114,529.85-45,993.77

Finding the Fourth Proportional to 76,476.29, 114,529.85 and 45,993.77

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Solution

The fourth proportional to 76,476.29, 114,529.85 and 45,993.77 is: 68,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,476.29 : 114,529.85 = 45,993.77 : x
  2. Step 2: Convert to fraction form
    76,476.29/114,529.85 = 45,993.77/x
  3. Step 3: Cross multiply
    76,476.29x = 114,529.85 × 45,993.77
  4. Step 4: Simplify right side
    76,476.29x = 5,267,658,776.42
  5. Step 5: Solve for x
    x = 5,267,658,776.42/76,476.29
  6. Step 6: Final answer
    x = 68,879.64

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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.