Home / 112,049.40-154,628.21-61,062.15

Finding the Fourth Proportional to 112,049.40, 154,628.21 and 61,062.15

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Solution

The fourth proportional to 112,049.40, 154,628.21 and 61,062.15 is: 84,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,049.40 : 154,628.21 = 61,062.15 : x
  2. Step 2: Convert to fraction form
    112,049.40/154,628.21 = 61,062.15/x
  3. Step 3: Cross multiply
    112,049.40x = 154,628.21 × 61,062.15
  4. Step 4: Simplify right side
    112,049.40x = 9,441,930,182.58
  5. Step 5: Solve for x
    x = 9,441,930,182.58/112,049.40
  6. Step 6: Final answer
    x = 84,265.78

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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.