Home / 90,995.00-125,571.40-50,707.89

Finding the Fourth Proportional to 90,995.00, 125,571.40 and 50,707.89

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Solution

The fourth proportional to 90,995.00, 125,571.40 and 50,707.89 is: 69,975.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.00 : 125,571.40 = 50,707.89 : x
  2. Step 2: Convert to fraction form
    90,995.00/125,571.40 = 50,707.89/x
  3. Step 3: Cross multiply
    90,995.00x = 125,571.40 × 50,707.89
  4. Step 4: Simplify right side
    90,995.00x = 6,367,460,611.58
  5. Step 5: Solve for x
    x = 6,367,460,611.58/90,995.00
  6. Step 6: Final answer
    x = 69,975.94

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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.