Home / 112,622.06-155,418.42-61,634.82

Finding the Fourth Proportional to 112,622.06, 155,418.42 and 61,634.82

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Solution

The fourth proportional to 112,622.06, 155,418.42 and 61,634.82 is: 85,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,622.06 : 155,418.42 = 61,634.82 : x
  2. Step 2: Convert to fraction form
    112,622.06/155,418.42 = 61,634.82/x
  3. Step 3: Cross multiply
    112,622.06x = 155,418.42 × 61,634.82
  4. Step 4: Simplify right side
    112,622.06x = 9,579,185,670.64
  5. Step 5: Solve for x
    x = 9,579,185,670.64/112,622.06
  6. Step 6: Final answer
    x = 85,056.03

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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.