Home / 84,872.09-127,187.43-62,509.61

Finding the Fourth Proportional to 84,872.09, 127,187.43 and 62,509.61

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Solution

The fourth proportional to 84,872.09, 127,187.43 and 62,509.61 is: 93,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.09 : 127,187.43 = 62,509.61 : x
  2. Step 2: Convert to fraction form
    84,872.09/127,187.43 = 62,509.61/x
  3. Step 3: Cross multiply
    84,872.09x = 127,187.43 × 62,509.61
  4. Step 4: Simplify right side
    84,872.09x = 7,950,436,010.27
  5. Step 5: Solve for x
    x = 7,950,436,010.27/84,872.09
  6. Step 6: Final answer
    x = 93,675.51

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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.