Home / 85,454.66-117,923.84-49,153.34

Finding the Fourth Proportional to 85,454.66, 117,923.84 and 49,153.34

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Solution

The fourth proportional to 85,454.66, 117,923.84 and 49,153.34 is: 67,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.66 : 117,923.84 = 49,153.34 : x
  2. Step 2: Convert to fraction form
    85,454.66/117,923.84 = 49,153.34/x
  3. Step 3: Cross multiply
    85,454.66x = 117,923.84 × 49,153.34
  4. Step 4: Simplify right side
    85,454.66x = 5,796,350,601.63
  5. Step 5: Solve for x
    x = 5,796,350,601.63/85,454.66
  6. Step 6: Final answer
    x = 67,829.54

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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.