Home / 53,891.46-74,364.54-31,237.56

Finding the Fourth Proportional to 53,891.46, 74,364.54 and 31,237.56

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Solution

The fourth proportional to 53,891.46, 74,364.54 and 31,237.56 is: 43,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.46 : 74,364.54 = 31,237.56 : x
  2. Step 2: Convert to fraction form
    53,891.46/74,364.54 = 31,237.56/x
  3. Step 3: Cross multiply
    53,891.46x = 74,364.54 × 31,237.56
  4. Step 4: Simplify right side
    53,891.46x = 2,322,966,662.98
  5. Step 5: Solve for x
    x = 2,322,966,662.98/53,891.46
  6. Step 6: Final answer
    x = 43,104.54

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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.