Home / 85,063.75-117,380.31-49,256.17

Finding the Fourth Proportional to 85,063.75, 117,380.31 and 49,256.17

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Solution

The fourth proportional to 85,063.75, 117,380.31 and 49,256.17 is: 67,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,063.75 : 117,380.31 = 49,256.17 : x
  2. Step 2: Convert to fraction form
    85,063.75/117,380.31 = 49,256.17/x
  3. Step 3: Cross multiply
    85,063.75x = 117,380.31 × 49,256.17
  4. Step 4: Simplify right side
    85,063.75x = 5,781,704,504.01
  5. Step 5: Solve for x
    x = 5,781,704,504.01/85,063.75
  6. Step 6: Final answer
    x = 67,969.08

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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.