Home / 90,110.34-124,350.07-49,823.08

Finding the Fourth Proportional to 90,110.34, 124,350.07 and 49,823.08

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Solution

The fourth proportional to 90,110.34, 124,350.07 and 49,823.08 is: 68,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.34 : 124,350.07 = 49,823.08 : x
  2. Step 2: Convert to fraction form
    90,110.34/124,350.07 = 49,823.08/x
  3. Step 3: Cross multiply
    90,110.34x = 124,350.07 × 49,823.08
  4. Step 4: Simplify right side
    90,110.34x = 6,195,503,485.62
  5. Step 5: Solve for x
    x = 6,195,503,485.62/90,110.34
  6. Step 6: Final answer
    x = 68,754.63

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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.