Home / 49,922.40-74,883.60-45,314.40

Finding the Fourth Proportional to 49,922.40, 74,883.60 and 45,314.40

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Solution

The fourth proportional to 49,922.40, 74,883.60 and 45,314.40 is: 67,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922.40 : 74,883.60 = 45,314.40 : x
  2. Step 2: Convert to fraction form
    49,922.40/74,883.60 = 45,314.40/x
  3. Step 3: Cross multiply
    49,922.40x = 74,883.60 × 45,314.40
  4. Step 4: Simplify right side
    49,922.40x = 3,393,305,403.84
  5. Step 5: Solve for x
    x = 3,393,305,403.84/49,922.40
  6. Step 6: Final answer
    x = 67,971.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.