Home / 86,186.35-129,279.12-33,596.02

Finding the Fourth Proportional to 86,186.35, 129,279.12 and 33,596.02

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Solution

The fourth proportional to 86,186.35, 129,279.12 and 33,596.02 is: 50,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,186.35 : 129,279.12 = 33,596.02 : x
  2. Step 2: Convert to fraction form
    86,186.35/129,279.12 = 33,596.02/x
  3. Step 3: Cross multiply
    86,186.35x = 129,279.12 × 33,596.02
  4. Step 4: Simplify right side
    86,186.35x = 4,343,263,901.10
  5. Step 5: Solve for x
    x = 4,343,263,901.10/86,186.35
  6. Step 6: Final answer
    x = 50,393.87

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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.