Home / 57,238.31-85,436.38-53,227.19

Finding the Fourth Proportional to 57,238.31, 85,436.38 and 53,227.19

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Solution

The fourth proportional to 57,238.31, 85,436.38 and 53,227.19 is: 79,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.31 : 85,436.38 = 53,227.19 : x
  2. Step 2: Convert to fraction form
    57,238.31/85,436.38 = 53,227.19/x
  3. Step 3: Cross multiply
    57,238.31x = 85,436.38 × 53,227.19
  4. Step 4: Simplify right side
    57,238.31x = 4,547,538,431.17
  5. Step 5: Solve for x
    x = 4,547,538,431.17/57,238.31
  6. Step 6: Final answer
    x = 79,449.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.