Home / 112,093.16-154,688.42-61,793

Finding the Fourth Proportional to 112,093.16, 154,688.42 and 61,793

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Solution

The fourth proportional to 112,093.16, 154,688.42 and 61,793 is: 85,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,093.16 : 154,688.42 = 61,793 : x
  2. Step 2: Convert to fraction form
    112,093.16/154,688.42 = 61,793/x
  3. Step 3: Cross multiply
    112,093.16x = 154,688.42 × 61,793
  4. Step 4: Simplify right side
    112,093.16x = 9,558,661,537.06
  5. Step 5: Solve for x
    x = 9,558,661,537.06/112,093.16
  6. Step 6: Final answer
    x = 85,274.26

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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.