Home / 112,175.44-154,795.08-61,874.32

Finding the Fourth Proportional to 112,175.44, 154,795.08 and 61,874.32

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Solution

The fourth proportional to 112,175.44, 154,795.08 and 61,874.32 is: 85,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.44 : 154,795.08 = 61,874.32 : x
  2. Step 2: Convert to fraction form
    112,175.44/154,795.08 = 61,874.32/x
  3. Step 3: Cross multiply
    112,175.44x = 154,795.08 × 61,874.32
  4. Step 4: Simplify right side
    112,175.44x = 9,577,840,314.35
  5. Step 5: Solve for x
    x = 9,577,840,314.35/112,175.44
  6. Step 6: Final answer
    x = 85,382.69

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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.