Home / 86,426.80-129,588.36-33,773.56

Finding the Fourth Proportional to 86,426.80, 129,588.36 and 33,773.56

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Solution

The fourth proportional to 86,426.80, 129,588.36 and 33,773.56 is: 50,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,426.80 : 129,588.36 = 33,773.56 : x
  2. Step 2: Convert to fraction form
    86,426.80/129,588.36 = 33,773.56/x
  3. Step 3: Cross multiply
    86,426.80x = 129,588.36 × 33,773.56
  4. Step 4: Simplify right side
    86,426.80x = 4,376,660,251.76
  5. Step 5: Solve for x
    x = 4,376,660,251.76/86,426.80
  6. Step 6: Final answer
    x = 50,640.08

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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.