Home / 86,173.34-129,259.04-33,619.73

Finding the Fourth Proportional to 86,173.34, 129,259.04 and 33,619.73

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Solution

The fourth proportional to 86,173.34, 129,259.04 and 33,619.73 is: 50,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173.34 : 129,259.04 = 33,619.73 : x
  2. Step 2: Convert to fraction form
    86,173.34/129,259.04 = 33,619.73/x
  3. Step 3: Cross multiply
    86,173.34x = 129,259.04 × 33,619.73
  4. Step 4: Simplify right side
    86,173.34x = 4,345,653,210.47
  5. Step 5: Solve for x
    x = 4,345,653,210.47/86,173.34
  6. Step 6: Final answer
    x = 50,429.21

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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.