Home / 86,581.04-129,865.80-33,999.44

Finding the Fourth Proportional to 86,581.04, 129,865.80 and 33,999.44

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Solution

The fourth proportional to 86,581.04, 129,865.80 and 33,999.44 is: 50,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581.04 : 129,865.80 = 33,999.44 : x
  2. Step 2: Convert to fraction form
    86,581.04/129,865.80 = 33,999.44/x
  3. Step 3: Cross multiply
    86,581.04x = 129,865.80 × 33,999.44
  4. Step 4: Simplify right side
    86,581.04x = 4,415,364,475.15
  5. Step 5: Solve for x
    x = 4,415,364,475.15/86,581.04
  6. Step 6: Final answer
    x = 50,996.90

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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.