Home / 63,143.31-87,137.95-34,463.23

Finding the Fourth Proportional to 63,143.31, 87,137.95 and 34,463.23

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Solution

The fourth proportional to 63,143.31, 87,137.95 and 34,463.23 is: 47,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.31 : 87,137.95 = 34,463.23 : x
  2. Step 2: Convert to fraction form
    63,143.31/87,137.95 = 34,463.23/x
  3. Step 3: Cross multiply
    63,143.31x = 87,137.95 × 34,463.23
  4. Step 4: Simplify right side
    63,143.31x = 3,003,055,040.26
  5. Step 5: Solve for x
    x = 3,003,055,040.26/63,143.31
  6. Step 6: Final answer
    x = 47,559.36

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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.