Home / 83,923.06-125,883.34-20,743.18

Finding the Fourth Proportional to 83,923.06, 125,883.34 and 20,743.18

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Solution

The fourth proportional to 83,923.06, 125,883.34 and 20,743.18 is: 31,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.06 : 125,883.34 = 20,743.18 : x
  2. Step 2: Convert to fraction form
    83,923.06/125,883.34 = 20,743.18/x
  3. Step 3: Cross multiply
    83,923.06x = 125,883.34 × 20,743.18
  4. Step 4: Simplify right side
    83,923.06x = 2,611,220,530.74
  5. Step 5: Solve for x
    x = 2,611,220,530.74/83,923.06
  6. Step 6: Final answer
    x = 31,114.46

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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.