Home / 91,725.84-137,579.54-25,172.66

Finding the Fourth Proportional to 91,725.84, 137,579.54 and 25,172.66

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Solution

The fourth proportional to 91,725.84, 137,579.54 and 25,172.66 is: 37,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,725.84 : 137,579.54 = 25,172.66 : x
  2. Step 2: Convert to fraction form
    91,725.84/137,579.54 = 25,172.66/x
  3. Step 3: Cross multiply
    91,725.84x = 137,579.54 × 25,172.66
  4. Step 4: Simplify right side
    91,725.84x = 3,463,242,169.62
  5. Step 5: Solve for x
    x = 3,463,242,169.62/91,725.84
  6. Step 6: Final answer
    x = 37,756.45

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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.