Home / 86,175.34-129,262.04-33,621.72

Finding the Fourth Proportional to 86,175.34, 129,262.04 and 33,621.72

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Solution

The fourth proportional to 86,175.34, 129,262.04 and 33,621.72 is: 50,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,175.34 : 129,262.04 = 33,621.72 : x
  2. Step 2: Convert to fraction form
    86,175.34/129,262.04 = 33,621.72/x
  3. Step 3: Cross multiply
    86,175.34x = 129,262.04 × 33,621.72
  4. Step 4: Simplify right side
    86,175.34x = 4,346,012,115.51
  5. Step 5: Solve for x
    x = 4,346,012,115.51/86,175.34
  6. Step 6: Final answer
    x = 50,432.20

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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.