Home / 89,599.26-123,646.95-51,872.70

Finding the Fourth Proportional to 89,599.26, 123,646.95 and 51,872.70

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Solution

The fourth proportional to 89,599.26, 123,646.95 and 51,872.70 is: 71,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,599.26 : 123,646.95 = 51,872.70 : x
  2. Step 2: Convert to fraction form
    89,599.26/123,646.95 = 51,872.70/x
  3. Step 3: Cross multiply
    89,599.26x = 123,646.95 × 51,872.70
  4. Step 4: Simplify right side
    89,599.26x = 6,413,901,143.27
  5. Step 5: Solve for x
    x = 6,413,901,143.27/89,599.26
  6. Step 6: Final answer
    x = 71,584.31

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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.