Home / 99,312.84-148,998.42-40,118.04

Finding the Fourth Proportional to 99,312.84, 148,998.42 and 40,118.04

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Solution

The fourth proportional to 99,312.84, 148,998.42 and 40,118.04 is: 60,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312.84 : 148,998.42 = 40,118.04 : x
  2. Step 2: Convert to fraction form
    99,312.84/148,998.42 = 40,118.04/x
  3. Step 3: Cross multiply
    99,312.84x = 148,998.42 × 40,118.04
  4. Step 4: Simplify right side
    99,312.84x = 5,977,524,573.50
  5. Step 5: Solve for x
    x = 5,977,524,573.50/99,312.84
  6. Step 6: Final answer
    x = 60,188.84

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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.