Home / 85,269.72-127,993.29-62,805.77

Finding the Fourth Proportional to 85,269.72, 127,993.29 and 62,805.77

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Solution

The fourth proportional to 85,269.72, 127,993.29 and 62,805.77 is: 94,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.72 : 127,993.29 = 62,805.77 : x
  2. Step 2: Convert to fraction form
    85,269.72/127,993.29 = 62,805.77/x
  3. Step 3: Cross multiply
    85,269.72x = 127,993.29 × 62,805.77
  4. Step 4: Simplify right side
    85,269.72x = 8,038,716,819.39
  5. Step 5: Solve for x
    x = 8,038,716,819.39/85,269.72
  6. Step 6: Final answer
    x = 94,273.99

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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.