Home / 99,905.75-149,855.18-25,026.55

Finding the Fourth Proportional to 99,905.75, 149,855.18 and 25,026.55

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Solution

The fourth proportional to 99,905.75, 149,855.18 and 25,026.55 is: 37,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,905.75 : 149,855.18 = 25,026.55 : x
  2. Step 2: Convert to fraction form
    99,905.75/149,855.18 = 25,026.55/x
  3. Step 3: Cross multiply
    99,905.75x = 149,855.18 × 25,026.55
  4. Step 4: Simplify right side
    99,905.75x = 3,750,357,280.62
  5. Step 5: Solve for x
    x = 3,750,357,280.62/99,905.75
  6. Step 6: Final answer
    x = 37,538.95

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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.