Home / 99,635.06-149,496.60-52,238.81

Finding the Fourth Proportional to 99,635.06, 149,496.60 and 52,238.81

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Solution

The fourth proportional to 99,635.06, 149,496.60 and 52,238.81 is: 78,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635.06 : 149,496.60 = 52,238.81 : x
  2. Step 2: Convert to fraction form
    99,635.06/149,496.60 = 52,238.81/x
  3. Step 3: Cross multiply
    99,635.06x = 149,496.60 × 52,238.81
  4. Step 4: Simplify right side
    99,635.06x = 7,809,524,483.05
  5. Step 5: Solve for x
    x = 7,809,524,483.05/99,635.06
  6. Step 6: Final answer
    x = 78,381.29

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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.