Home / 112,014.43-154,579.83-61,713.43

Finding the Fourth Proportional to 112,014.43, 154,579.83 and 61,713.43

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Solution

The fourth proportional to 112,014.43, 154,579.83 and 61,713.43 is: 85,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.43 : 154,579.83 = 61,713.43 : x
  2. Step 2: Convert to fraction form
    112,014.43/154,579.83 = 61,713.43/x
  3. Step 3: Cross multiply
    112,014.43x = 154,579.83 × 61,713.43
  4. Step 4: Simplify right side
    112,014.43x = 9,539,650,900.24
  5. Step 5: Solve for x
    x = 9,539,650,900.24/112,014.43
  6. Step 6: Final answer
    x = 85,164.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.