Home / 86,996.81-130,511.61-27,816.59

Finding the Fourth Proportional to 86,996.81, 130,511.61 and 27,816.59

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Solution

The fourth proportional to 86,996.81, 130,511.61 and 27,816.59 is: 41,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,996.81 : 130,511.61 = 27,816.59 : x
  2. Step 2: Convert to fraction form
    86,996.81/130,511.61 = 27,816.59/x
  3. Step 3: Cross multiply
    86,996.81x = 130,511.61 × 27,816.59
  4. Step 4: Simplify right side
    86,996.81x = 3,630,387,293.05
  5. Step 5: Solve for x
    x = 3,630,387,293.05/86,996.81
  6. Step 6: Final answer
    x = 41,730.12

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1.5x scale

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.