Home / 76,400.55-114,673.77-46,876.05

Finding the Fourth Proportional to 76,400.55, 114,673.77 and 46,876.05

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Solution

The fourth proportional to 76,400.55, 114,673.77 and 46,876.05 is: 70,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.55 : 114,673.77 = 46,876.05 : x
  2. Step 2: Convert to fraction form
    76,400.55/114,673.77 = 46,876.05/x
  3. Step 3: Cross multiply
    76,400.55x = 114,673.77 × 46,876.05
  4. Step 4: Simplify right side
    76,400.55x = 5,375,453,376.21
  5. Step 5: Solve for x
    x = 5,375,453,376.21/76,400.55
  6. Step 6: Final answer
    x = 70,358.83

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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.