Home / 57,670.02-86,570.64-38,708.73

Finding the Fourth Proportional to 57,670.02, 86,570.64 and 38,708.73

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Solution

The fourth proportional to 57,670.02, 86,570.64 and 38,708.73 is: 58,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.02 : 86,570.64 = 38,708.73 : x
  2. Step 2: Convert to fraction form
    57,670.02/86,570.64 = 38,708.73/x
  3. Step 3: Cross multiply
    57,670.02x = 86,570.64 × 38,708.73
  4. Step 4: Simplify right side
    57,670.02x = 3,351,039,529.69
  5. Step 5: Solve for x
    x = 3,351,039,529.69/57,670.02
  6. Step 6: Final answer
    x = 58,107.13

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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.