Home / 73,084.20-109,655.10-28,703.40

Finding the Fourth Proportional to 73,084.20, 109,655.10 and 28,703.40

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Solution

The fourth proportional to 73,084.20, 109,655.10 and 28,703.40 is: 43,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,084.20 : 109,655.10 = 28,703.40 : x
  2. Step 2: Convert to fraction form
    73,084.20/109,655.10 = 28,703.40/x
  3. Step 3: Cross multiply
    73,084.20x = 109,655.10 × 28,703.40
  4. Step 4: Simplify right side
    73,084.20x = 3,147,474,197.34
  5. Step 5: Solve for x
    x = 3,147,474,197.34/73,084.20
  6. Step 6: Final answer
    x = 43,066.41

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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.