Home / 51,987.15-71,709.24-34,083.31

Finding the Fourth Proportional to 51,987.15, 71,709.24 and 34,083.31

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Solution

The fourth proportional to 51,987.15, 71,709.24 and 34,083.31 is: 47,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.15 : 71,709.24 = 34,083.31 : x
  2. Step 2: Convert to fraction form
    51,987.15/71,709.24 = 34,083.31/x
  3. Step 3: Cross multiply
    51,987.15x = 71,709.24 × 34,083.31
  4. Step 4: Simplify right side
    51,987.15x = 2,444,087,898.45
  5. Step 5: Solve for x
    x = 2,444,087,898.45/51,987.15
  6. Step 6: Final answer
    x = 47,013.30

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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.