Home / 52,710.62-72,733.48-31,485.38

Finding the Fourth Proportional to 52,710.62, 72,733.48 and 31,485.38

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Solution

The fourth proportional to 52,710.62, 72,733.48 and 31,485.38 is: 43,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.62 : 72,733.48 = 31,485.38 : x
  2. Step 2: Convert to fraction form
    52,710.62/72,733.48 = 31,485.38/x
  3. Step 3: Cross multiply
    52,710.62x = 72,733.48 × 31,485.38
  4. Step 4: Simplify right side
    52,710.62x = 2,290,040,814.14
  5. Step 5: Solve for x
    x = 2,290,040,814.14/52,710.62
  6. Step 6: Final answer
    x = 43,445.53

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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.