Home / 60,720.42-91,072.40-16,349.84

Finding the Fourth Proportional to 60,720.42, 91,072.40 and 16,349.84

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Solution

The fourth proportional to 60,720.42, 91,072.40 and 16,349.84 is: 24,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.42 : 91,072.40 = 16,349.84 : x
  2. Step 2: Convert to fraction form
    60,720.42/91,072.40 = 16,349.84/x
  3. Step 3: Cross multiply
    60,720.42x = 91,072.40 × 16,349.84
  4. Step 4: Simplify right side
    60,720.42x = 1,489,019,168.42
  5. Step 5: Solve for x
    x = 1,489,019,168.42/60,720.42
  6. Step 6: Final answer
    x = 24,522.54

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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.