Home / 86,584.40-129,813.24-27,386.96

Finding the Fourth Proportional to 86,584.40, 129,813.24 and 27,386.96

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Solution

The fourth proportional to 86,584.40, 129,813.24 and 27,386.96 is: 41,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,584.40 : 129,813.24 = 27,386.96 : x
  2. Step 2: Convert to fraction form
    86,584.40/129,813.24 = 27,386.96/x
  3. Step 3: Cross multiply
    86,584.40x = 129,813.24 × 27,386.96
  4. Step 4: Simplify right side
    86,584.40x = 3,555,190,011.35
  5. Step 5: Solve for x
    x = 3,555,190,011.35/86,584.40
  6. Step 6: Final answer
    x = 41,060.40

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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.