Home / 46,358.55-69,463.58-45,128.43

Finding the Fourth Proportional to 46,358.55, 69,463.58 and 45,128.43

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Solution

The fourth proportional to 46,358.55, 69,463.58 and 45,128.43 is: 67,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,358.55 : 69,463.58 = 45,128.43 : x
  2. Step 2: Convert to fraction form
    46,358.55/69,463.58 = 45,128.43/x
  3. Step 3: Cross multiply
    46,358.55x = 69,463.58 × 45,128.43
  4. Step 4: Simplify right side
    46,358.55x = 3,134,782,081.94
  5. Step 5: Solve for x
    x = 3,134,782,081.94/46,358.55
  6. Step 6: Final answer
    x = 67,620.37

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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.