Home / 112,315.12-168,473.22-45,755.89

Finding the Fourth Proportional to 112,315.12, 168,473.22 and 45,755.89

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Solution

The fourth proportional to 112,315.12, 168,473.22 and 45,755.89 is: 68,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315.12 : 168,473.22 = 45,755.89 : x
  2. Step 2: Convert to fraction form
    112,315.12/168,473.22 = 45,755.89/x
  3. Step 3: Cross multiply
    112,315.12x = 168,473.22 × 45,755.89
  4. Step 4: Simplify right side
    112,315.12x = 7,708,642,122.27
  5. Step 5: Solve for x
    x = 7,708,642,122.27/112,315.12
  6. Step 6: Final answer
    x = 68,634.05

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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.