Home / 112,428.75-168,652.85-29,322.75

Finding the Fourth Proportional to 112,428.75, 168,652.85 and 29,322.75

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Solution

The fourth proportional to 112,428.75, 168,652.85 and 29,322.75 is: 43,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,428.75 : 168,652.85 = 29,322.75 : x
  2. Step 2: Convert to fraction form
    112,428.75/168,652.85 = 29,322.75/x
  3. Step 3: Cross multiply
    112,428.75x = 168,652.85 × 29,322.75
  4. Step 4: Simplify right side
    112,428.75x = 4,945,365,210.72
  5. Step 5: Solve for x
    x = 4,945,365,210.72/112,428.75
  6. Step 6: Final answer
    x = 43,986.66

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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.