Home / 85,274.11-127,868.56-49,747.64

Finding the Fourth Proportional to 85,274.11, 127,868.56 and 49,747.64

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Solution

The fourth proportional to 85,274.11, 127,868.56 and 49,747.64 is: 74,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,274.11 : 127,868.56 = 49,747.64 : x
  2. Step 2: Convert to fraction form
    85,274.11/127,868.56 = 49,747.64/x
  3. Step 3: Cross multiply
    85,274.11x = 127,868.56 × 49,747.64
  4. Step 4: Simplify right side
    85,274.11x = 6,361,159,090.20
  5. Step 5: Solve for x
    x = 6,361,159,090.20/85,274.11
  6. Step 6: Final answer
    x = 74,596.60

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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.