Home / 85,433.21-117,895.42-47,192.04

Finding the Fourth Proportional to 85,433.21, 117,895.42 and 47,192.04

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Solution

The fourth proportional to 85,433.21, 117,895.42 and 47,192.04 is: 65,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,433.21 : 117,895.42 = 47,192.04 : x
  2. Step 2: Convert to fraction form
    85,433.21/117,895.42 = 47,192.04/x
  3. Step 3: Cross multiply
    85,433.21x = 117,895.42 × 47,192.04
  4. Step 4: Simplify right side
    85,433.21x = 5,563,725,376.46
  5. Step 5: Solve for x
    x = 5,563,725,376.46/85,433.21
  6. Step 6: Final answer
    x = 65,123.68

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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.