Home / 86,182.40-129,220.64-33,530.56

Finding the Fourth Proportional to 86,182.40, 129,220.64 and 33,530.56

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Solution

The fourth proportional to 86,182.40, 129,220.64 and 33,530.56 is: 50,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182.40 : 129,220.64 = 33,530.56 : x
  2. Step 2: Convert to fraction form
    86,182.40/129,220.64 = 33,530.56/x
  3. Step 3: Cross multiply
    86,182.40x = 129,220.64 × 33,530.56
  4. Step 4: Simplify right side
    86,182.40x = 4,332,840,422.76
  5. Step 5: Solve for x
    x = 4,332,840,422.76/86,182.40
  6. Step 6: Final answer
    x = 50,275.24

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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.