Home / 72,578.04-100,149.96-40,750.44

Finding the Fourth Proportional to 72,578.04, 100,149.96 and 40,750.44

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Solution

The fourth proportional to 72,578.04, 100,149.96 and 40,750.44 is: 56,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578.04 : 100,149.96 = 40,750.44 : x
  2. Step 2: Convert to fraction form
    72,578.04/100,149.96 = 40,750.44/x
  3. Step 3: Cross multiply
    72,578.04x = 100,149.96 × 40,750.44
  4. Step 4: Simplify right side
    72,578.04x = 4,081,154,935.98
  5. Step 5: Solve for x
    x = 4,081,154,935.98/72,578.04
  6. Step 6: Final answer
    x = 56,231.26

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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.