Home / 53,945.26-74,517.10-48,915.16

Finding the Fourth Proportional to 53,945.26, 74,517.10 and 48,915.16

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Solution

The fourth proportional to 53,945.26, 74,517.10 and 48,915.16 is: 67,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.26 : 74,517.10 = 48,915.16 : x
  2. Step 2: Convert to fraction form
    53,945.26/74,517.10 = 48,915.16/x
  3. Step 3: Cross multiply
    53,945.26x = 74,517.10 × 48,915.16
  4. Step 4: Simplify right side
    53,945.26x = 3,645,015,560.66
  5. Step 5: Solve for x
    x = 3,645,015,560.66/53,945.26
  6. Step 6: Final answer
    x = 67,568.79

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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.