Home / 46,756.64-69,993.11-30,128.56

Finding the Fourth Proportional to 46,756.64, 69,993.11 and 30,128.56

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Solution

The fourth proportional to 46,756.64, 69,993.11 and 30,128.56 is: 45,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,756.64 : 69,993.11 = 30,128.56 : x
  2. Step 2: Convert to fraction form
    46,756.64/69,993.11 = 30,128.56/x
  3. Step 3: Cross multiply
    46,756.64x = 69,993.11 × 30,128.56
  4. Step 4: Simplify right side
    46,756.64x = 2,108,791,514.56
  5. Step 5: Solve for x
    x = 2,108,791,514.56/46,756.64
  6. Step 6: Final answer
    x = 45,101.43

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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.