Home / 90,286.39-124,595.58-49,999.29

Finding the Fourth Proportional to 90,286.39, 124,595.58 and 49,999.29

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Solution

The fourth proportional to 90,286.39, 124,595.58 and 49,999.29 is: 68,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,286.39 : 124,595.58 = 49,999.29 : x
  2. Step 2: Convert to fraction form
    90,286.39/124,595.58 = 49,999.29/x
  3. Step 3: Cross multiply
    90,286.39x = 124,595.58 × 49,999.29
  4. Step 4: Simplify right side
    90,286.39x = 6,229,690,537.14
  5. Step 5: Solve for x
    x = 6,229,690,537.14/90,286.39
  6. Step 6: Final answer
    x = 68,999.22

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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.