Home / 76,403.15-114,604.74-29,018.28

Finding the Fourth Proportional to 76,403.15, 114,604.74 and 29,018.28

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Solution

The fourth proportional to 76,403.15, 114,604.74 and 29,018.28 is: 43,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403.15 : 114,604.74 = 29,018.28 : x
  2. Step 2: Convert to fraction form
    76,403.15/114,604.74 = 29,018.28/x
  3. Step 3: Cross multiply
    76,403.15x = 114,604.74 × 29,018.28
  4. Step 4: Simplify right side
    76,403.15x = 3,325,632,434.65
  5. Step 5: Solve for x
    x = 3,325,632,434.65/76,403.15
  6. Step 6: Final answer
    x = 43,527.43

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1.5x scale

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.