Home / 90,193.29-124,462.33-49,906.32

Finding the Fourth Proportional to 90,193.29, 124,462.33 and 49,906.32

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Solution

The fourth proportional to 90,193.29, 124,462.33 and 49,906.32 is: 68,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,193.29 : 124,462.33 = 49,906.32 : x
  2. Step 2: Convert to fraction form
    90,193.29/124,462.33 = 49,906.32/x
  3. Step 3: Cross multiply
    90,193.29x = 124,462.33 × 49,906.32
  4. Step 4: Simplify right side
    90,193.29x = 6,211,456,868.93
  5. Step 5: Solve for x
    x = 6,211,456,868.93/90,193.29
  6. Step 6: Final answer
    x = 68,868.28

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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.