Home / 89,505.27-123,513.95-49,216.64

Finding the Fourth Proportional to 89,505.27, 123,513.95 and 49,216.64

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Solution

The fourth proportional to 89,505.27, 123,513.95 and 49,216.64 is: 67,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.27 : 123,513.95 = 49,216.64 : x
  2. Step 2: Convert to fraction form
    89,505.27/123,513.95 = 49,216.64/x
  3. Step 3: Cross multiply
    89,505.27x = 123,513.95 × 49,216.64
  4. Step 4: Simplify right side
    89,505.27x = 6,078,941,117.60
  5. Step 5: Solve for x
    x = 6,078,941,117.60/89,505.27
  6. Step 6: Final answer
    x = 67,917.13

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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.