Home / 89,520.38-123,538.93-48,684.88

Finding the Fourth Proportional to 89,520.38, 123,538.93 and 48,684.88

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Solution

The fourth proportional to 89,520.38, 123,538.93 and 48,684.88 is: 67,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.38 : 123,538.93 = 48,684.88 : x
  2. Step 2: Convert to fraction form
    89,520.38/123,538.93 = 48,684.88/x
  3. Step 3: Cross multiply
    89,520.38x = 123,538.93 × 48,684.88
  4. Step 4: Simplify right side
    89,520.38x = 6,014,477,364.68
  5. Step 5: Solve for x
    x = 6,014,477,364.68/89,520.38
  6. Step 6: Final answer
    x = 67,185.57

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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.