Home / 47,020.11-70,534.71-13,739.42

Finding the Fourth Proportional to 47,020.11, 70,534.71 and 13,739.42

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Solution

The fourth proportional to 47,020.11, 70,534.71 and 13,739.42 is: 20,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.11 : 70,534.71 = 13,739.42 : x
  2. Step 2: Convert to fraction form
    47,020.11/70,534.71 = 13,739.42/x
  3. Step 3: Cross multiply
    47,020.11x = 70,534.71 × 13,739.42
  4. Step 4: Simplify right side
    47,020.11x = 969,105,652.59
  5. Step 5: Solve for x
    x = 969,105,652.59/47,020.11
  6. Step 6: Final answer
    x = 20,610.45

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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.