Home / 85,233.21-127,829.31-26,069.40

Finding the Fourth Proportional to 85,233.21, 127,829.31 and 26,069.40

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Solution

The fourth proportional to 85,233.21, 127,829.31 and 26,069.40 is: 39,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.21 : 127,829.31 = 26,069.40 : x
  2. Step 2: Convert to fraction form
    85,233.21/127,829.31 = 26,069.40/x
  3. Step 3: Cross multiply
    85,233.21x = 127,829.31 × 26,069.40
  4. Step 4: Simplify right side
    85,233.21x = 3,332,433,414.11
  5. Step 5: Solve for x
    x = 3,332,433,414.11/85,233.21
  6. Step 6: Final answer
    x = 39,097.83

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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.