Home / 89,624.30-123,682.37-49,338.86

Finding the Fourth Proportional to 89,624.30, 123,682.37 and 49,338.86

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Solution

The fourth proportional to 89,624.30, 123,682.37 and 49,338.86 is: 68,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.30 : 123,682.37 = 49,338.86 : x
  2. Step 2: Convert to fraction form
    89,624.30/123,682.37 = 49,338.86/x
  3. Step 3: Cross multiply
    89,624.30x = 123,682.37 × 49,338.86
  4. Step 4: Simplify right side
    89,624.30x = 6,102,346,272.79
  5. Step 5: Solve for x
    x = 6,102,346,272.79/89,624.30
  6. Step 6: Final answer
    x = 68,088.08

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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.