Home / 53,893.16-74,372.64-31,236.56

Finding the Fourth Proportional to 53,893.16, 74,372.64 and 31,236.56

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Solution

The fourth proportional to 53,893.16, 74,372.64 and 31,236.56 is: 43,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.16 : 74,372.64 = 31,236.56 : x
  2. Step 2: Convert to fraction form
    53,893.16/74,372.64 = 31,236.56/x
  3. Step 3: Cross multiply
    53,893.16x = 74,372.64 × 31,236.56
  4. Step 4: Simplify right side
    53,893.16x = 2,323,145,431.72
  5. Step 5: Solve for x
    x = 2,323,145,431.72/53,893.16
  6. Step 6: Final answer
    x = 43,106.50

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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.