Home / 84,838.27-117,063.79-49,021.34

Finding the Fourth Proportional to 84,838.27, 117,063.79 and 49,021.34

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Solution

The fourth proportional to 84,838.27, 117,063.79 and 49,021.34 is: 67,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,838.27 : 117,063.79 = 49,021.34 : x
  2. Step 2: Convert to fraction form
    84,838.27/117,063.79 = 49,021.34/x
  3. Step 3: Cross multiply
    84,838.27x = 117,063.79 × 49,021.34
  4. Step 4: Simplify right side
    84,838.27x = 5,738,623,851.28
  5. Step 5: Solve for x
    x = 5,738,623,851.28/84,838.27
  6. Step 6: Final answer
    x = 67,641.92

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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.