Home / 85,103.16-127,611.84-49,576.20

Finding the Fourth Proportional to 85,103.16, 127,611.84 and 49,576.20

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Solution

The fourth proportional to 85,103.16, 127,611.84 and 49,576.20 is: 74,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,103.16 : 127,611.84 = 49,576.20 : x
  2. Step 2: Convert to fraction form
    85,103.16/127,611.84 = 49,576.20/x
  3. Step 3: Cross multiply
    85,103.16x = 127,611.84 × 49,576.20
  4. Step 4: Simplify right side
    85,103.16x = 6,326,510,102.21
  5. Step 5: Solve for x
    x = 6,326,510,102.21/85,103.16
  6. Step 6: Final answer
    x = 74,339.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.