Home / 52,839.31-79,263.87-19,113.76

Finding the Fourth Proportional to 52,839.31, 79,263.87 and 19,113.76

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Solution

The fourth proportional to 52,839.31, 79,263.87 and 19,113.76 is: 28,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.31 : 79,263.87 = 19,113.76 : x
  2. Step 2: Convert to fraction form
    52,839.31/79,263.87 = 19,113.76/x
  3. Step 3: Cross multiply
    52,839.31x = 79,263.87 × 19,113.76
  4. Step 4: Simplify right side
    52,839.31x = 1,515,030,587.85
  5. Step 5: Solve for x
    x = 1,515,030,587.85/52,839.31
  6. Step 6: Final answer
    x = 28,672.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.