Home / 86,515.79-129,796.77-27,352.58

Finding the Fourth Proportional to 86,515.79, 129,796.77 and 27,352.58

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Solution

The fourth proportional to 86,515.79, 129,796.77 and 27,352.58 is: 41,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,515.79 : 129,796.77 = 27,352.58 : x
  2. Step 2: Convert to fraction form
    86,515.79/129,796.77 = 27,352.58/x
  3. Step 3: Cross multiply
    86,515.79x = 129,796.77 × 27,352.58
  4. Step 4: Simplify right side
    86,515.79x = 3,550,276,535.17
  5. Step 5: Solve for x
    x = 3,550,276,535.17/86,515.79
  6. Step 6: Final answer
    x = 41,036.17

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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.