Home / 86,518.30-129,800.52-27,355.08

Finding the Fourth Proportional to 86,518.30, 129,800.52 and 27,355.08

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Solution

The fourth proportional to 86,518.30, 129,800.52 and 27,355.08 is: 41,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,518.30 : 129,800.52 = 27,355.08 : x
  2. Step 2: Convert to fraction form
    86,518.30/129,800.52 = 27,355.08/x
  3. Step 3: Cross multiply
    86,518.30x = 129,800.52 × 27,355.08
  4. Step 4: Simplify right side
    86,518.30x = 3,550,703,608.64
  5. Step 5: Solve for x
    x = 3,550,703,608.64/86,518.30
  6. Step 6: Final answer
    x = 41,039.91

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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.