Home / 86,159.40-129,186.18-33,507.54

Finding the Fourth Proportional to 86,159.40, 129,186.18 and 33,507.54

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Solution

The fourth proportional to 86,159.40, 129,186.18 and 33,507.54 is: 50,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,159.40 : 129,186.18 = 33,507.54 : x
  2. Step 2: Convert to fraction form
    86,159.40/129,186.18 = 33,507.54/x
  3. Step 3: Cross multiply
    86,159.40x = 129,186.18 × 33,507.54
  4. Step 4: Simplify right side
    86,159.40x = 4,328,711,093.80
  5. Step 5: Solve for x
    x = 4,328,711,093.80/86,159.40
  6. Step 6: Final answer
    x = 50,240.73

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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.