Home / 52,420.70-72,335.10-31,195.82

Finding the Fourth Proportional to 52,420.70, 72,335.10 and 31,195.82

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Solution

The fourth proportional to 52,420.70, 72,335.10 and 31,195.82 is: 43,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.70 : 72,335.10 = 31,195.82 : x
  2. Step 2: Convert to fraction form
    52,420.70/72,335.10 = 31,195.82/x
  3. Step 3: Cross multiply
    52,420.70x = 72,335.10 × 31,195.82
  4. Step 4: Simplify right side
    52,420.70x = 2,256,552,759.28
  5. Step 5: Solve for x
    x = 2,256,552,759.28/52,420.70
  6. Step 6: Final answer
    x = 43,046.98

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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.