Home / 86,982.49-130,432.59-33,699.43

Finding the Fourth Proportional to 86,982.49, 130,432.59 and 33,699.43

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Solution

The fourth proportional to 86,982.49, 130,432.59 and 33,699.43 is: 50,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.49 : 130,432.59 = 33,699.43 : x
  2. Step 2: Convert to fraction form
    86,982.49/130,432.59 = 33,699.43/x
  3. Step 3: Cross multiply
    86,982.49x = 130,432.59 × 33,699.43
  4. Step 4: Simplify right side
    86,982.49x = 4,395,503,936.42
  5. Step 5: Solve for x
    x = 4,395,503,936.42/86,982.49
  6. Step 6: Final answer
    x = 50,533.20

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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.