Home / 89,634.27-123,702.53-51,397.38

Finding the Fourth Proportional to 89,634.27, 123,702.53 and 51,397.38

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Solution

The fourth proportional to 89,634.27, 123,702.53 and 51,397.38 is: 70,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.27 : 123,702.53 = 51,397.38 : x
  2. Step 2: Convert to fraction form
    89,634.27/123,702.53 = 51,397.38/x
  3. Step 3: Cross multiply
    89,634.27x = 123,702.53 × 51,397.38
  4. Step 4: Simplify right side
    89,634.27x = 6,357,986,533.75
  5. Step 5: Solve for x
    x = 6,357,986,533.75/89,634.27
  6. Step 6: Final answer
    x = 70,932.54

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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.