Home / 34,158.90-51,243.12-9,199.76

Finding the Fourth Proportional to 34,158.90, 51,243.12 and 9,199.76

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Solution

The fourth proportional to 34,158.90, 51,243.12 and 9,199.76 is: 13,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.90 : 51,243.12 = 9,199.76 : x
  2. Step 2: Convert to fraction form
    34,158.90/51,243.12 = 9,199.76/x
  3. Step 3: Cross multiply
    34,158.90x = 51,243.12 × 9,199.76
  4. Step 4: Simplify right side
    34,158.90x = 471,424,149.44
  5. Step 5: Solve for x
    x = 471,424,149.44/34,158.90
  6. Step 6: Final answer
    x = 13,800.92

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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.