Home / 112,042.64-154,616.86-61,055.82

Finding the Fourth Proportional to 112,042.64, 154,616.86 and 61,055.82

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Solution

The fourth proportional to 112,042.64, 154,616.86 and 61,055.82 is: 84,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.64 : 154,616.86 = 61,055.82 : x
  2. Step 2: Convert to fraction form
    112,042.64/154,616.86 = 61,055.82/x
  3. Step 3: Cross multiply
    112,042.64x = 154,616.86 × 61,055.82
  4. Step 4: Simplify right side
    112,042.64x = 9,440,259,173.13
  5. Step 5: Solve for x
    x = 9,440,259,173.13/112,042.64
  6. Step 6: Final answer
    x = 84,255.95

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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.