Home / 47,701.45-71,562.80-15,681.97

Finding the Fourth Proportional to 47,701.45, 71,562.80 and 15,681.97

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Solution

The fourth proportional to 47,701.45, 71,562.80 and 15,681.97 is: 23,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,701.45 : 71,562.80 = 15,681.97 : x
  2. Step 2: Convert to fraction form
    47,701.45/71,562.80 = 15,681.97/x
  3. Step 3: Cross multiply
    47,701.45x = 71,562.80 × 15,681.97
  4. Step 4: Simplify right side
    47,701.45x = 1,122,245,682.72
  5. Step 5: Solve for x
    x = 1,122,245,682.72/47,701.45
  6. Step 6: Final answer
    x = 23,526.45

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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.