Home / 57,753.16-79,675.62-38,896.36

Finding the Fourth Proportional to 57,753.16, 79,675.62 and 38,896.36

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Solution

The fourth proportional to 57,753.16, 79,675.62 and 38,896.36 is: 53,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.16 : 79,675.62 = 38,896.36 : x
  2. Step 2: Convert to fraction form
    57,753.16/79,675.62 = 38,896.36/x
  3. Step 3: Cross multiply
    57,753.16x = 79,675.62 × 38,896.36
  4. Step 4: Simplify right side
    57,753.16x = 3,099,091,598.74
  5. Step 5: Solve for x
    x = 3,099,091,598.74/57,753.16
  6. Step 6: Final answer
    x = 53,660.99

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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.