Home / 112,743.55-168,993.05-56,447.90

Finding the Fourth Proportional to 112,743.55, 168,993.05 and 56,447.90

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Solution

The fourth proportional to 112,743.55, 168,993.05 and 56,447.90 is: 84,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.55 : 168,993.05 = 56,447.90 : x
  2. Step 2: Convert to fraction form
    112,743.55/168,993.05 = 56,447.90/x
  3. Step 3: Cross multiply
    112,743.55x = 168,993.05 × 56,447.90
  4. Step 4: Simplify right side
    112,743.55x = 9,539,302,083.25
  5. Step 5: Solve for x
    x = 9,539,302,083.25/112,743.55
  6. Step 6: Final answer
    x = 84,610.62

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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.