Home / 73,047.04-109,544.64-28,672

Finding the Fourth Proportional to 73,047.04, 109,544.64 and 28,672

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Solution

The fourth proportional to 73,047.04, 109,544.64 and 28,672 is: 42,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047.04 : 109,544.64 = 28,672 : x
  2. Step 2: Convert to fraction form
    73,047.04/109,544.64 = 28,672/x
  3. Step 3: Cross multiply
    73,047.04x = 109,544.64 × 28,672
  4. Step 4: Simplify right side
    73,047.04x = 3,140,863,918.08
  5. Step 5: Solve for x
    x = 3,140,863,918.08/73,047.04
  6. Step 6: Final answer
    x = 42,997.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.