Home / 76,076.28-104,983.26-42,086.16

Finding the Fourth Proportional to 76,076.28, 104,983.26 and 42,086.16

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Solution

The fourth proportional to 76,076.28, 104,983.26 and 42,086.16 is: 58,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,076.28 : 104,983.26 = 42,086.16 : x
  2. Step 2: Convert to fraction form
    76,076.28/104,983.26 = 42,086.16/x
  3. Step 3: Cross multiply
    76,076.28x = 104,983.26 × 42,086.16
  4. Step 4: Simplify right side
    76,076.28x = 4,418,342,277.68
  5. Step 5: Solve for x
    x = 4,418,342,277.68/76,076.28
  6. Step 6: Final answer
    x = 58,077.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.