Home / 84,536.85-126,813.73-31,242.84

Finding the Fourth Proportional to 84,536.85, 126,813.73 and 31,242.84

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Solution

The fourth proportional to 84,536.85, 126,813.73 and 31,242.84 is: 46,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,536.85 : 126,813.73 = 31,242.84 : x
  2. Step 2: Convert to fraction form
    84,536.85/126,813.73 = 31,242.84/x
  3. Step 3: Cross multiply
    84,536.85x = 126,813.73 × 31,242.84
  4. Step 4: Simplify right side
    84,536.85x = 3,962,021,076.19
  5. Step 5: Solve for x
    x = 3,962,021,076.19/84,536.85
  6. Step 6: Final answer
    x = 46,867.38

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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.