Home / 51,673.53-71,305.11-31,263.20

Finding the Fourth Proportional to 51,673.53, 71,305.11 and 31,263.20

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Solution

The fourth proportional to 51,673.53, 71,305.11 and 31,263.20 is: 43,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.53 : 71,305.11 = 31,263.20 : x
  2. Step 2: Convert to fraction form
    51,673.53/71,305.11 = 31,263.20/x
  3. Step 3: Cross multiply
    51,673.53x = 71,305.11 × 31,263.20
  4. Step 4: Simplify right side
    51,673.53x = 2,229,225,825.82
  5. Step 5: Solve for x
    x = 2,229,225,825.82/51,673.53
  6. Step 6: Final answer
    x = 43,140.58

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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.