Home / 86,175.46-129,262.22-33,621.85

Finding the Fourth Proportional to 86,175.46, 129,262.22 and 33,621.85

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Solution

The fourth proportional to 86,175.46, 129,262.22 and 33,621.85 is: 50,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,175.46 : 129,262.22 = 33,621.85 : x
  2. Step 2: Convert to fraction form
    86,175.46/129,262.22 = 33,621.85/x
  3. Step 3: Cross multiply
    86,175.46x = 129,262.22 × 33,621.85
  4. Step 4: Simplify right side
    86,175.46x = 4,346,034,971.51
  5. Step 5: Solve for x
    x = 4,346,034,971.51/86,175.46
  6. Step 6: Final answer
    x = 50,432.40

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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.