Home / 76,047.42-114,087.19-28,661.51

Finding the Fourth Proportional to 76,047.42, 114,087.19 and 28,661.51

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Solution

The fourth proportional to 76,047.42, 114,087.19 and 28,661.51 is: 42,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,047.42 : 114,087.19 = 28,661.51 : x
  2. Step 2: Convert to fraction form
    76,047.42/114,087.19 = 28,661.51/x
  3. Step 3: Cross multiply
    76,047.42x = 114,087.19 × 28,661.51
  4. Step 4: Simplify right side
    76,047.42x = 3,269,910,494.97
  5. Step 5: Solve for x
    x = 3,269,910,494.97/76,047.42
  6. Step 6: Final answer
    x = 42,998.31

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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.