Home / 112,052.50-154,629.60-61,066.54

Finding the Fourth Proportional to 112,052.50, 154,629.60 and 61,066.54

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Solution

The fourth proportional to 112,052.50, 154,629.60 and 61,066.54 is: 84,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,052.50 : 154,629.60 = 61,066.54 : x
  2. Step 2: Convert to fraction form
    112,052.50/154,629.60 = 61,066.54/x
  3. Step 3: Cross multiply
    112,052.50x = 154,629.60 × 61,066.54
  4. Step 4: Simplify right side
    112,052.50x = 9,442,694,653.58
  5. Step 5: Solve for x
    x = 9,442,694,653.58/112,052.50
  6. Step 6: Final answer
    x = 84,270.28

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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.