Home / 99,775.94-149,688.03-36,600.98

Finding the Fourth Proportional to 99,775.94, 149,688.03 and 36,600.98

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Solution

The fourth proportional to 99,775.94, 149,688.03 and 36,600.98 is: 54,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.94 : 149,688.03 = 36,600.98 : x
  2. Step 2: Convert to fraction form
    99,775.94/149,688.03 = 36,600.98/x
  3. Step 3: Cross multiply
    99,775.94x = 149,688.03 × 36,600.98
  4. Step 4: Simplify right side
    99,775.94x = 5,478,728,592.27
  5. Step 5: Solve for x
    x = 5,478,728,592.27/99,775.94
  6. Step 6: Final answer
    x = 54,910.32

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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.