Home / 72,566.04-100,133.44-40,738.44

Finding the Fourth Proportional to 72,566.04, 100,133.44 and 40,738.44

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Solution

The fourth proportional to 72,566.04, 100,133.44 and 40,738.44 is: 56,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,566.04 : 100,133.44 = 40,738.44 : x
  2. Step 2: Convert to fraction form
    72,566.04/100,133.44 = 40,738.44/x
  3. Step 3: Cross multiply
    72,566.04x = 100,133.44 × 40,738.44
  4. Step 4: Simplify right side
    72,566.04x = 4,079,280,137.43
  5. Step 5: Solve for x
    x = 4,079,280,137.43/72,566.04
  6. Step 6: Final answer
    x = 56,214.73

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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.