Home / 86,991.03-130,484.65-27,826.52

Finding the Fourth Proportional to 86,991.03, 130,484.65 and 27,826.52

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Solution

The fourth proportional to 86,991.03, 130,484.65 and 27,826.52 is: 41,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,991.03 : 130,484.65 = 27,826.52 : x
  2. Step 2: Convert to fraction form
    86,991.03/130,484.65 = 27,826.52/x
  3. Step 3: Cross multiply
    86,991.03x = 130,484.65 × 27,826.52
  4. Step 4: Simplify right side
    86,991.03x = 3,630,933,722.92
  5. Step 5: Solve for x
    x = 3,630,933,722.92/86,991.03
  6. Step 6: Final answer
    x = 41,739.17

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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.