Home / 89,466.84-134,219.94-27,142.20

Finding the Fourth Proportional to 89,466.84, 134,219.94 and 27,142.20

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Solution

The fourth proportional to 89,466.84, 134,219.94 and 27,142.20 is: 40,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,466.84 : 134,219.94 = 27,142.20 : x
  2. Step 2: Convert to fraction form
    89,466.84/134,219.94 = 27,142.20/x
  3. Step 3: Cross multiply
    89,466.84x = 134,219.94 × 27,142.20
  4. Step 4: Simplify right side
    89,466.84x = 3,643,024,455.47
  5. Step 5: Solve for x
    x = 3,643,024,455.47/89,466.84
  6. Step 6: Final answer
    x = 40,719.27

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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.