Home / 51,136.29-70,559.82-28,475.22

Finding the Fourth Proportional to 51,136.29, 70,559.82 and 28,475.22

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Solution

The fourth proportional to 51,136.29, 70,559.82 and 28,475.22 is: 39,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.29 : 70,559.82 = 28,475.22 : x
  2. Step 2: Convert to fraction form
    51,136.29/70,559.82 = 28,475.22/x
  3. Step 3: Cross multiply
    51,136.29x = 70,559.82 × 28,475.22
  4. Step 4: Simplify right side
    51,136.29x = 2,009,206,397.66
  5. Step 5: Solve for x
    x = 2,009,206,397.66/51,136.29
  6. Step 6: Final answer
    x = 39,291.20

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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.