Home / 112,054.68-154,628.46-61,754.04

Finding the Fourth Proportional to 112,054.68, 154,628.46 and 61,754.04

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Solution

The fourth proportional to 112,054.68, 154,628.46 and 61,754.04 is: 85,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.68 : 154,628.46 = 61,754.04 : x
  2. Step 2: Convert to fraction form
    112,054.68/154,628.46 = 61,754.04/x
  3. Step 3: Cross multiply
    112,054.68x = 154,628.46 × 61,754.04
  4. Step 4: Simplify right side
    112,054.68x = 9,548,932,103.98
  5. Step 5: Solve for x
    x = 9,548,932,103.98/112,054.68
  6. Step 6: Final answer
    x = 85,216.72

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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.