Home / 45,140.61-67,669.45-15,551.41

Finding the Fourth Proportional to 45,140.61, 67,669.45 and 15,551.41

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Solution

The fourth proportional to 45,140.61, 67,669.45 and 15,551.41 is: 23,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.61 : 67,669.45 = 15,551.41 : x
  2. Step 2: Convert to fraction form
    45,140.61/67,669.45 = 15,551.41/x
  3. Step 3: Cross multiply
    45,140.61x = 67,669.45 × 15,551.41
  4. Step 4: Simplify right side
    45,140.61x = 1,052,355,361.42
  5. Step 5: Solve for x
    x = 1,052,355,361.42/45,140.61
  6. Step 6: Final answer
    x = 23,312.83

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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.