Home / 85,269.13-127,992.41-62,805.17

Finding the Fourth Proportional to 85,269.13, 127,992.41 and 62,805.17

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Solution

The fourth proportional to 85,269.13, 127,992.41 and 62,805.17 is: 94,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.13 : 127,992.41 = 62,805.17 : x
  2. Step 2: Convert to fraction form
    85,269.13/127,992.41 = 62,805.17/x
  3. Step 3: Cross multiply
    85,269.13x = 127,992.41 × 62,805.17
  4. Step 4: Simplify right side
    85,269.13x = 8,038,585,687.52
  5. Step 5: Solve for x
    x = 8,038,585,687.52/85,269.13
  6. Step 6: Final answer
    x = 94,273.10

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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.