Home / 86,384.66-129,530.82-27,204.44

Finding the Fourth Proportional to 86,384.66, 129,530.82 and 27,204.44

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Solution

The fourth proportional to 86,384.66, 129,530.82 and 27,204.44 is: 40,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.66 : 129,530.82 = 27,204.44 : x
  2. Step 2: Convert to fraction form
    86,384.66/129,530.82 = 27,204.44/x
  3. Step 3: Cross multiply
    86,384.66x = 129,530.82 × 27,204.44
  4. Step 4: Simplify right side
    86,384.66x = 3,523,813,420.84
  5. Step 5: Solve for x
    x = 3,523,813,420.84/86,384.66
  6. Step 6: Final answer
    x = 40,792.12

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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.