Home / 84,964.40-127,543.80-49,923.80

Finding the Fourth Proportional to 84,964.40, 127,543.80 and 49,923.80

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Solution

The fourth proportional to 84,964.40, 127,543.80 and 49,923.80 is: 74,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.40 : 127,543.80 = 49,923.80 : x
  2. Step 2: Convert to fraction form
    84,964.40/127,543.80 = 49,923.80/x
  3. Step 3: Cross multiply
    84,964.40x = 127,543.80 × 49,923.80
  4. Step 4: Simplify right side
    84,964.40x = 6,367,471,162.44
  5. Step 5: Solve for x
    x = 6,367,471,162.44/84,964.40
  6. Step 6: Final answer
    x = 74,942.81

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1.5x scale

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.