Home / 51,712.30-71,360.71-31,602.82

Finding the Fourth Proportional to 51,712.30, 71,360.71 and 31,602.82

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Solution

The fourth proportional to 51,712.30, 71,360.71 and 31,602.82 is: 43,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712.30 : 71,360.71 = 31,602.82 : x
  2. Step 2: Convert to fraction form
    51,712.30/71,360.71 = 31,602.82/x
  3. Step 3: Cross multiply
    51,712.30x = 71,360.71 × 31,602.82
  4. Step 4: Simplify right side
    51,712.30x = 2,255,199,673.20
  5. Step 5: Solve for x
    x = 2,255,199,673.20/51,712.30
  6. Step 6: Final answer
    x = 43,610.51

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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.