Home / 71,072.37-98,079.86-40,863.60

Finding the Fourth Proportional to 71,072.37, 98,079.86 and 40,863.60

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Solution

The fourth proportional to 71,072.37, 98,079.86 and 40,863.60 is: 56,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.37 : 98,079.86 = 40,863.60 : x
  2. Step 2: Convert to fraction form
    71,072.37/98,079.86 = 40,863.60/x
  3. Step 3: Cross multiply
    71,072.37x = 98,079.86 × 40,863.60
  4. Step 4: Simplify right side
    71,072.37x = 4,007,895,962.78
  5. Step 5: Solve for x
    x = 4,007,895,962.78/71,072.37
  6. Step 6: Final answer
    x = 56,391.76

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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.