Home / 57,689.56-86,025.12-55,633.76

Finding the Fourth Proportional to 57,689.56, 86,025.12 and 55,633.76

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Solution

The fourth proportional to 57,689.56, 86,025.12 and 55,633.76 is: 82,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,689.56 : 86,025.12 = 55,633.76 : x
  2. Step 2: Convert to fraction form
    57,689.56/86,025.12 = 55,633.76/x
  3. Step 3: Cross multiply
    57,689.56x = 86,025.12 × 55,633.76
  4. Step 4: Simplify right side
    57,689.56x = 4,785,900,880.05
  5. Step 5: Solve for x
    x = 4,785,900,880.05/57,689.56
  6. Step 6: Final answer
    x = 82,959.57

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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.