Home / 53,863.56-74,320.44-31,201.20

Finding the Fourth Proportional to 53,863.56, 74,320.44 and 31,201.20

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Solution

The fourth proportional to 53,863.56, 74,320.44 and 31,201.20 is: 43,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.56 : 74,320.44 = 31,201.20 : x
  2. Step 2: Convert to fraction form
    53,863.56/74,320.44 = 31,201.20/x
  3. Step 3: Cross multiply
    53,863.56x = 74,320.44 × 31,201.20
  4. Step 4: Simplify right side
    53,863.56x = 2,318,886,912.53
  5. Step 5: Solve for x
    x = 2,318,886,912.53/53,863.56
  6. Step 6: Final answer
    x = 43,051.13

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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.