Home / 86,619.57-129,929.14-33,992.25

Finding the Fourth Proportional to 86,619.57, 129,929.14 and 33,992.25

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Solution

The fourth proportional to 86,619.57, 129,929.14 and 33,992.25 is: 50,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.57 : 129,929.14 = 33,992.25 : x
  2. Step 2: Convert to fraction form
    86,619.57/129,929.14 = 33,992.25/x
  3. Step 3: Cross multiply
    86,619.57x = 129,929.14 × 33,992.25
  4. Step 4: Simplify right side
    86,619.57x = 4,416,583,809.17
  5. Step 5: Solve for x
    x = 4,416,583,809.17/86,619.57
  6. Step 6: Final answer
    x = 50,988.29

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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.