Home / 57,939.04-86,905.68-31,695.04

Finding the Fourth Proportional to 57,939.04, 86,905.68 and 31,695.04

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Solution

The fourth proportional to 57,939.04, 86,905.68 and 31,695.04 is: 47,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.04 : 86,905.68 = 31,695.04 : x
  2. Step 2: Convert to fraction form
    57,939.04/86,905.68 = 31,695.04/x
  3. Step 3: Cross multiply
    57,939.04x = 86,905.68 × 31,695.04
  4. Step 4: Simplify right side
    57,939.04x = 2,754,479,003.83
  5. Step 5: Solve for x
    x = 2,754,479,003.83/57,939.04
  6. Step 6: Final answer
    x = 47,540.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.