Home / 51,675.68-71,314.64-29,321.76

Finding the Fourth Proportional to 51,675.68, 71,314.64 and 29,321.76

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Solution

The fourth proportional to 51,675.68, 71,314.64 and 29,321.76 is: 40,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.68 : 71,314.64 = 29,321.76 : x
  2. Step 2: Convert to fraction form
    51,675.68/71,314.64 = 29,321.76/x
  3. Step 3: Cross multiply
    51,675.68x = 71,314.64 × 29,321.76
  4. Step 4: Simplify right side
    51,675.68x = 2,091,070,758.57
  5. Step 5: Solve for x
    x = 2,091,070,758.57/51,675.68
  6. Step 6: Final answer
    x = 40,465.28

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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.