Home / 85,076.39-127,633.62-25,916.73

Finding the Fourth Proportional to 85,076.39, 127,633.62 and 25,916.73

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Solution

The fourth proportional to 85,076.39, 127,633.62 and 25,916.73 is: 38,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.39 : 127,633.62 = 25,916.73 : x
  2. Step 2: Convert to fraction form
    85,076.39/127,633.62 = 25,916.73/x
  3. Step 3: Cross multiply
    85,076.39x = 127,633.62 × 25,916.73
  4. Step 4: Simplify right side
    85,076.39x = 3,307,845,687.02
  5. Step 5: Solve for x
    x = 3,307,845,687.02/85,076.39
  6. Step 6: Final answer
    x = 38,880.89

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1.5x scale

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.