Home / 112,991.85-155,928.33-62,005.44

Finding the Fourth Proportional to 112,991.85, 155,928.33 and 62,005.44

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Solution

The fourth proportional to 112,991.85, 155,928.33 and 62,005.44 is: 85,567.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.85 : 155,928.33 = 62,005.44 : x
  2. Step 2: Convert to fraction form
    112,991.85/155,928.33 = 62,005.44/x
  3. Step 3: Cross multiply
    112,991.85x = 155,928.33 × 62,005.44
  4. Step 4: Simplify right side
    112,991.85x = 9,668,404,710.12
  5. Step 5: Solve for x
    x = 9,668,404,710.12/112,991.85
  6. Step 6: Final answer
    x = 85,567.28

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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.