Home / 86,553.24-129,828.51-44,409

Finding the Fourth Proportional to 86,553.24, 129,828.51 and 44,409

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Solution

The fourth proportional to 86,553.24, 129,828.51 and 44,409 is: 66,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,553.24 : 129,828.51 = 44,409 : x
  2. Step 2: Convert to fraction form
    86,553.24/129,828.51 = 44,409/x
  3. Step 3: Cross multiply
    86,553.24x = 129,828.51 × 44,409
  4. Step 4: Simplify right side
    86,553.24x = 5,765,554,300.59
  5. Step 5: Solve for x
    x = 5,765,554,300.59/86,553.24
  6. Step 6: Final answer
    x = 66,612.81

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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.