Home / 52,133.90-71,865.10-31,953.36

Finding the Fourth Proportional to 52,133.90, 71,865.10 and 31,953.36

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Solution

The fourth proportional to 52,133.90, 71,865.10 and 31,953.36 is: 44,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.90 : 71,865.10 = 31,953.36 : x
  2. Step 2: Convert to fraction form
    52,133.90/71,865.10 = 31,953.36/x
  3. Step 3: Cross multiply
    52,133.90x = 71,865.10 × 31,953.36
  4. Step 4: Simplify right side
    52,133.90x = 2,296,331,411.74
  5. Step 5: Solve for x
    x = 2,296,331,411.74/52,133.90
  6. Step 6: Final answer
    x = 44,046.80

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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.