Home / 41,139.84-61,704.90-10,742.94

Finding the Fourth Proportional to 41,139.84, 61,704.90 and 10,742.94

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Solution

The fourth proportional to 41,139.84, 61,704.90 and 10,742.94 is: 16,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.84 : 61,704.90 = 10,742.94 : x
  2. Step 2: Convert to fraction form
    41,139.84/61,704.90 = 10,742.94/x
  3. Step 3: Cross multiply
    41,139.84x = 61,704.90 × 10,742.94
  4. Step 4: Simplify right side
    41,139.84x = 662,892,038.41
  5. Step 5: Solve for x
    x = 662,892,038.41/41,139.84
  6. Step 6: Final answer
    x = 16,113.14

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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.