Home / 83,923.19-125,883.54-20,743.32

Finding the Fourth Proportional to 83,923.19, 125,883.54 and 20,743.32

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Solution

The fourth proportional to 83,923.19, 125,883.54 and 20,743.32 is: 31,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.19 : 125,883.54 = 20,743.32 : x
  2. Step 2: Convert to fraction form
    83,923.19/125,883.54 = 20,743.32/x
  3. Step 3: Cross multiply
    83,923.19x = 125,883.54 × 20,743.32
  4. Step 4: Simplify right side
    83,923.19x = 2,611,242,552.95
  5. Step 5: Solve for x
    x = 2,611,242,552.95/83,923.19
  6. Step 6: Final answer
    x = 31,114.67

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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.