Home / 89,461.22-123,455.10-49,174.12

Finding the Fourth Proportional to 89,461.22, 123,455.10 and 49,174.12

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Solution

The fourth proportional to 89,461.22, 123,455.10 and 49,174.12 is: 67,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.22 : 123,455.10 = 49,174.12 : x
  2. Step 2: Convert to fraction form
    89,461.22/123,455.10 = 49,174.12/x
  3. Step 3: Cross multiply
    89,461.22x = 123,455.10 × 49,174.12
  4. Step 4: Simplify right side
    89,461.22x = 6,070,795,902.01
  5. Step 5: Solve for x
    x = 6,070,795,902.01/89,461.22
  6. Step 6: Final answer
    x = 67,859.53

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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.