Home / 89,257.17-123,170.81-48,970.10

Finding the Fourth Proportional to 89,257.17, 123,170.81 and 48,970.10

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Solution

The fourth proportional to 89,257.17, 123,170.81 and 48,970.10 is: 67,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.17 : 123,170.81 = 48,970.10 : x
  2. Step 2: Convert to fraction form
    89,257.17/123,170.81 = 48,970.10/x
  3. Step 3: Cross multiply
    89,257.17x = 123,170.81 × 48,970.10
  4. Step 4: Simplify right side
    89,257.17x = 6,031,686,452.43
  5. Step 5: Solve for x
    x = 6,031,686,452.43/89,257.17
  6. Step 6: Final answer
    x = 67,576.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.