Home / 89,519.72-123,539.19-49,235.52

Finding the Fourth Proportional to 89,519.72, 123,539.19 and 49,235.52

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Solution

The fourth proportional to 89,519.72, 123,539.19 and 49,235.52 is: 67,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.72 : 123,539.19 = 49,235.52 : x
  2. Step 2: Convert to fraction form
    89,519.72/123,539.19 = 49,235.52/x
  3. Step 3: Cross multiply
    89,519.72x = 123,539.19 × 49,235.52
  4. Step 4: Simplify right side
    89,519.72x = 6,082,516,260.45
  5. Step 5: Solve for x
    x = 6,082,516,260.45/89,519.72
  6. Step 6: Final answer
    x = 67,946.11

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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.