Home / 89,491.58-123,500.35-49,207.96

Finding the Fourth Proportional to 89,491.58, 123,500.35 and 49,207.96

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Solution

The fourth proportional to 89,491.58, 123,500.35 and 49,207.96 is: 67,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,491.58 : 123,500.35 = 49,207.96 : x
  2. Step 2: Convert to fraction form
    89,491.58/123,500.35 = 49,207.96/x
  3. Step 3: Cross multiply
    89,491.58x = 123,500.35 × 49,207.96
  4. Step 4: Simplify right side
    89,491.58x = 6,077,199,527.19
  5. Step 5: Solve for x
    x = 6,077,199,527.19/89,491.58
  6. Step 6: Final answer
    x = 67,908.06

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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.