Home / 63,135.57-87,127.60-34,455.46

Finding the Fourth Proportional to 63,135.57, 87,127.60 and 34,455.46

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Solution

The fourth proportional to 63,135.57, 87,127.60 and 34,455.46 is: 47,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.57 : 87,127.60 = 34,455.46 : x
  2. Step 2: Convert to fraction form
    63,135.57/87,127.60 = 34,455.46/x
  3. Step 3: Cross multiply
    63,135.57x = 87,127.60 × 34,455.46
  4. Step 4: Simplify right side
    63,135.57x = 3,002,021,536.70
  5. Step 5: Solve for x
    x = 3,002,021,536.70/63,135.57
  6. Step 6: Final answer
    x = 47,548.81

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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.