Home / 51,675.43-71,319.90-31,544.05

Finding the Fourth Proportional to 51,675.43, 71,319.90 and 31,544.05

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Solution

The fourth proportional to 51,675.43, 71,319.90 and 31,544.05 is: 43,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,675.43 : 71,319.90 = 31,544.05 : x
  2. Step 2: Convert to fraction form
    51,675.43/71,319.90 = 31,544.05/x
  3. Step 3: Cross multiply
    51,675.43x = 71,319.90 × 31,544.05
  4. Step 4: Simplify right side
    51,675.43x = 2,249,718,491.60
  5. Step 5: Solve for x
    x = 2,249,718,491.60/51,675.43
  6. Step 6: Final answer
    x = 43,535.55

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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.