Home / 53,701.84-74,136.36-50,168.08

Finding the Fourth Proportional to 53,701.84, 74,136.36 and 50,168.08

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Solution

The fourth proportional to 53,701.84, 74,136.36 and 50,168.08 is: 69,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,701.84 : 74,136.36 = 50,168.08 : x
  2. Step 2: Convert to fraction form
    53,701.84/74,136.36 = 50,168.08/x
  3. Step 3: Cross multiply
    53,701.84x = 74,136.36 × 50,168.08
  4. Step 4: Simplify right side
    53,701.84x = 3,719,278,839.39
  5. Step 5: Solve for x
    x = 3,719,278,839.39/53,701.84
  6. Step 6: Final answer
    x = 69,257.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.