Home / 80,237.42-110,729.37-43,940.40

Finding the Fourth Proportional to 80,237.42, 110,729.37 and 43,940.40

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Solution

The fourth proportional to 80,237.42, 110,729.37 and 43,940.40 is: 60,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,237.42 : 110,729.37 = 43,940.40 : x
  2. Step 2: Convert to fraction form
    80,237.42/110,729.37 = 43,940.40/x
  3. Step 3: Cross multiply
    80,237.42x = 110,729.37 × 43,940.40
  4. Step 4: Simplify right side
    80,237.42x = 4,865,492,809.55
  5. Step 5: Solve for x
    x = 4,865,492,809.55/80,237.42
  6. Step 6: Final answer
    x = 60,638.70

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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.