Home / 53,851.25-74,309.34-31,197.53

Finding the Fourth Proportional to 53,851.25, 74,309.34 and 31,197.53

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Solution

The fourth proportional to 53,851.25, 74,309.34 and 31,197.53 is: 43,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.25 : 74,309.34 = 31,197.53 : x
  2. Step 2: Convert to fraction form
    53,851.25/74,309.34 = 31,197.53/x
  3. Step 3: Cross multiply
    53,851.25x = 74,309.34 × 31,197.53
  4. Step 4: Simplify right side
    53,851.25x = 2,318,268,049.70
  5. Step 5: Solve for x
    x = 2,318,268,049.70/53,851.25
  6. Step 6: Final answer
    x = 43,049.47

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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.