Home / 86,329.94-129,512.52-36,410.04

Finding the Fourth Proportional to 86,329.94, 129,512.52 and 36,410.04

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Solution

The fourth proportional to 86,329.94, 129,512.52 and 36,410.04 is: 54,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,329.94 : 129,512.52 = 36,410.04 : x
  2. Step 2: Convert to fraction form
    86,329.94/129,512.52 = 36,410.04/x
  3. Step 3: Cross multiply
    86,329.94x = 129,512.52 × 36,410.04
  4. Step 4: Simplify right side
    86,329.94x = 4,715,556,033.70
  5. Step 5: Solve for x
    x = 4,715,556,033.70/86,329.94
  6. Step 6: Final answer
    x = 54,622.49

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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.