Home / 99,097.90-148,651.84-28,025.65

Finding the Fourth Proportional to 99,097.90, 148,651.84 and 28,025.65

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Solution

The fourth proportional to 99,097.90, 148,651.84 and 28,025.65 is: 42,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.90 : 148,651.84 = 28,025.65 : x
  2. Step 2: Convert to fraction form
    99,097.90/148,651.84 = 28,025.65/x
  3. Step 3: Cross multiply
    99,097.90x = 148,651.84 × 28,025.65
  4. Step 4: Simplify right side
    99,097.90x = 4,166,064,439.70
  5. Step 5: Solve for x
    x = 4,166,064,439.70/99,097.90
  6. Step 6: Final answer
    x = 42,039.89

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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.