Home / 51,890.16-71,606.52-31,739.52

Finding the Fourth Proportional to 51,890.16, 71,606.52 and 31,739.52

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Solution

The fourth proportional to 51,890.16, 71,606.52 and 31,739.52 is: 43,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,890.16 : 71,606.52 = 31,739.52 : x
  2. Step 2: Convert to fraction form
    51,890.16/71,606.52 = 31,739.52/x
  3. Step 3: Cross multiply
    51,890.16x = 71,606.52 × 31,739.52
  4. Step 4: Simplify right side
    51,890.16x = 2,272,756,573.67
  5. Step 5: Solve for x
    x = 2,272,756,573.67/51,890.16
  6. Step 6: Final answer
    x = 43,799.37

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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.