Home / 71,073.06-98,079.30-40,857.60

Finding the Fourth Proportional to 71,073.06, 98,079.30 and 40,857.60

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Solution

The fourth proportional to 71,073.06, 98,079.30 and 40,857.60 is: 56,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.06 : 98,079.30 = 40,857.60 : x
  2. Step 2: Convert to fraction form
    71,073.06/98,079.30 = 40,857.60/x
  3. Step 3: Cross multiply
    71,073.06x = 98,079.30 × 40,857.60
  4. Step 4: Simplify right side
    71,073.06x = 4,007,284,807.68
  5. Step 5: Solve for x
    x = 4,007,284,807.68/71,073.06
  6. Step 6: Final answer
    x = 56,382.61

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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.