Home / 57,966.89-86,431.11-56,917.13

Finding the Fourth Proportional to 57,966.89, 86,431.11 and 56,917.13

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Solution

The fourth proportional to 57,966.89, 86,431.11 and 56,917.13 is: 84,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.89 : 86,431.11 = 56,917.13 : x
  2. Step 2: Convert to fraction form
    57,966.89/86,431.11 = 56,917.13/x
  3. Step 3: Cross multiply
    57,966.89x = 86,431.11 × 56,917.13
  4. Step 4: Simplify right side
    57,966.89x = 4,919,410,078.32
  5. Step 5: Solve for x
    x = 4,919,410,078.32/57,966.89
  6. Step 6: Final answer
    x = 84,865.87

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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.