Home / 85,896.78-118,537.20-48,171.06

Finding the Fourth Proportional to 85,896.78, 118,537.20 and 48,171.06

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Solution

The fourth proportional to 85,896.78, 118,537.20 and 48,171.06 is: 66,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,896.78 : 118,537.20 = 48,171.06 : x
  2. Step 2: Convert to fraction form
    85,896.78/118,537.20 = 48,171.06/x
  3. Step 3: Cross multiply
    85,896.78x = 118,537.20 × 48,171.06
  4. Step 4: Simplify right side
    85,896.78x = 5,710,062,573.43
  5. Step 5: Solve for x
    x = 5,710,062,573.43/85,896.78
  6. Step 6: Final answer
    x = 66,475.86

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1.5x scale

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.