Home / 40,762.28-61,143.50-11,180.52

Finding the Fourth Proportional to 40,762.28, 61,143.50 and 11,180.52

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Solution

The fourth proportional to 40,762.28, 61,143.50 and 11,180.52 is: 16,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.28 : 61,143.50 = 11,180.52 : x
  2. Step 2: Convert to fraction form
    40,762.28/61,143.50 = 11,180.52/x
  3. Step 3: Cross multiply
    40,762.28x = 61,143.50 × 11,180.52
  4. Step 4: Simplify right side
    40,762.28x = 683,616,124.62
  5. Step 5: Solve for x
    x = 683,616,124.62/40,762.28
  6. Step 6: Final answer
    x = 16,770.80

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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.