Home / 112,974.54-155,904.36-62,673.54

Finding the Fourth Proportional to 112,974.54, 155,904.36 and 62,673.54

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Solution

The fourth proportional to 112,974.54, 155,904.36 and 62,673.54 is: 86,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,974.54 : 155,904.36 = 62,673.54 : x
  2. Step 2: Convert to fraction form
    112,974.54/155,904.36 = 62,673.54/x
  3. Step 3: Cross multiply
    112,974.54x = 155,904.36 × 62,673.54
  4. Step 4: Simplify right side
    112,974.54x = 9,771,078,142.63
  5. Step 5: Solve for x
    x = 9,771,078,142.63/112,974.54
  6. Step 6: Final answer
    x = 86,489.20

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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.