Home / 71,591.46-107,392.23-19,000.50

Finding the Fourth Proportional to 71,591.46, 107,392.23 and 19,000.50

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Solution

The fourth proportional to 71,591.46, 107,392.23 and 19,000.50 is: 28,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.46 : 107,392.23 = 19,000.50 : x
  2. Step 2: Convert to fraction form
    71,591.46/107,392.23 = 19,000.50/x
  3. Step 3: Cross multiply
    71,591.46x = 107,392.23 × 19,000.50
  4. Step 4: Simplify right side
    71,591.46x = 2,040,506,066.12
  5. Step 5: Solve for x
    x = 2,040,506,066.12/71,591.46
  6. Step 6: Final answer
    x = 28,502.09

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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.