Home / 99,431.09-149,114.23-32,858.81

Finding the Fourth Proportional to 99,431.09, 149,114.23 and 32,858.81

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Solution

The fourth proportional to 99,431.09, 149,114.23 and 32,858.81 is: 49,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,431.09 : 149,114.23 = 32,858.81 : x
  2. Step 2: Convert to fraction form
    99,431.09/149,114.23 = 32,858.81/x
  3. Step 3: Cross multiply
    99,431.09x = 149,114.23 × 32,858.81
  4. Step 4: Simplify right side
    99,431.09x = 4,899,716,442.50
  5. Step 5: Solve for x
    x = 4,899,716,442.50/99,431.09
  6. Step 6: Final answer
    x = 49,277.51

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1.5x scale

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.