Home / 64,083.14-87,792.43-61,687.23

Finding the Fourth Proportional to 64,083.14, 87,792.43 and 61,687.23

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Solution

The fourth proportional to 64,083.14, 87,792.43 and 61,687.23 is: 84,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,083.14 : 87,792.43 = 61,687.23 : x
  2. Step 2: Convert to fraction form
    64,083.14/87,792.43 = 61,687.23/x
  3. Step 3: Cross multiply
    64,083.14x = 87,792.43 × 61,687.23
  4. Step 4: Simplify right side
    64,083.14x = 5,415,671,821.67
  5. Step 5: Solve for x
    x = 5,415,671,821.67/64,083.14
  6. Step 6: Final answer
    x = 84,510.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.