Home / 89,171.68-123,056.64-48,887.12

Finding the Fourth Proportional to 89,171.68, 123,056.64 and 48,887.12

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Solution

The fourth proportional to 89,171.68, 123,056.64 and 48,887.12 is: 67,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,171.68 : 123,056.64 = 48,887.12 : x
  2. Step 2: Convert to fraction form
    89,171.68/123,056.64 = 48,887.12/x
  3. Step 3: Cross multiply
    89,171.68x = 123,056.64 × 48,887.12
  4. Step 4: Simplify right side
    89,171.68x = 6,015,884,726.48
  5. Step 5: Solve for x
    x = 6,015,884,726.48/89,171.68
  6. Step 6: Final answer
    x = 67,464.07

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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.