Home / 89,190.96-123,080.76-48,903.66

Finding the Fourth Proportional to 89,190.96, 123,080.76 and 48,903.66

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Solution

The fourth proportional to 89,190.96, 123,080.76 and 48,903.66 is: 67,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.96 : 123,080.76 = 48,903.66 : x
  2. Step 2: Convert to fraction form
    89,190.96/123,080.76 = 48,903.66/x
  3. Step 3: Cross multiply
    89,190.96x = 123,080.76 × 48,903.66
  4. Step 4: Simplify right side
    89,190.96x = 6,019,099,639.58
  5. Step 5: Solve for x
    x = 6,019,099,639.58/89,190.96
  6. Step 6: Final answer
    x = 67,485.53

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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.