Home / 89,853.71-123,998.12-49,567.57

Finding the Fourth Proportional to 89,853.71, 123,998.12 and 49,567.57

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Solution

The fourth proportional to 89,853.71, 123,998.12 and 49,567.57 is: 68,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.71 : 123,998.12 = 49,567.57 : x
  2. Step 2: Convert to fraction form
    89,853.71/123,998.12 = 49,567.57/x
  3. Step 3: Cross multiply
    89,853.71x = 123,998.12 × 49,567.57
  4. Step 4: Simplify right side
    89,853.71x = 6,146,285,492.97
  5. Step 5: Solve for x
    x = 6,146,285,492.97/89,853.71
  6. Step 6: Final answer
    x = 68,403.25

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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.