Home / 81,973.89-113,122.61-46,163.79

Finding the Fourth Proportional to 81,973.89, 113,122.61 and 46,163.79

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Solution

The fourth proportional to 81,973.89, 113,122.61 and 46,163.79 is: 63,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.89 : 113,122.61 = 46,163.79 : x
  2. Step 2: Convert to fraction form
    81,973.89/113,122.61 = 46,163.79/x
  3. Step 3: Cross multiply
    81,973.89x = 113,122.61 × 46,163.79
  4. Step 4: Simplify right side
    81,973.89x = 5,222,167,615.86
  5. Step 5: Solve for x
    x = 5,222,167,615.86/81,973.89
  6. Step 6: Final answer
    x = 63,705.26

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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.