Home / 112,799.88-169,200.96-45,363.12

Finding the Fourth Proportional to 112,799.88, 169,200.96 and 45,363.12

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Solution

The fourth proportional to 112,799.88, 169,200.96 and 45,363.12 is: 68,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,799.88 : 169,200.96 = 45,363.12 : x
  2. Step 2: Convert to fraction form
    112,799.88/169,200.96 = 45,363.12/x
  3. Step 3: Cross multiply
    112,799.88x = 169,200.96 × 45,363.12
  4. Step 4: Simplify right side
    112,799.88x = 7,675,483,452.60
  5. Step 5: Solve for x
    x = 7,675,483,452.60/112,799.88
  6. Step 6: Final answer
    x = 68,045.14

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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.