Home / 112,696.08-155,520.72-62,394

Finding the Fourth Proportional to 112,696.08, 155,520.72 and 62,394

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Solution

The fourth proportional to 112,696.08, 155,520.72 and 62,394 is: 86,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,696.08 : 155,520.72 = 62,394 : x
  2. Step 2: Convert to fraction form
    112,696.08/155,520.72 = 62,394/x
  3. Step 3: Cross multiply
    112,696.08x = 155,520.72 × 62,394
  4. Step 4: Simplify right side
    112,696.08x = 9,703,559,803.68
  5. Step 5: Solve for x
    x = 9,703,559,803.68/112,696.08
  6. Step 6: Final answer
    x = 86,103.79

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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.