Home / 89,631.01-123,690.14-49,345.48

Finding the Fourth Proportional to 89,631.01, 123,690.14 and 49,345.48

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Solution

The fourth proportional to 89,631.01, 123,690.14 and 49,345.48 is: 68,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.01 : 123,690.14 = 49,345.48 : x
  2. Step 2: Convert to fraction form
    89,631.01/123,690.14 = 49,345.48/x
  3. Step 3: Cross multiply
    89,631.01x = 123,690.14 × 49,345.48
  4. Step 4: Simplify right side
    89,631.01x = 6,103,549,082.84
  5. Step 5: Solve for x
    x = 6,103,549,082.84/89,631.01
  6. Step 6: Final answer
    x = 68,096.40

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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.