Home / 65,172.17-89,939.49-36,877.25

Finding the Fourth Proportional to 65,172.17, 89,939.49 and 36,877.25

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Solution

The fourth proportional to 65,172.17, 89,939.49 and 36,877.25 is: 50,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172.17 : 89,939.49 = 36,877.25 : x
  2. Step 2: Convert to fraction form
    65,172.17/89,939.49 = 36,877.25/x
  3. Step 3: Cross multiply
    65,172.17x = 89,939.49 × 36,877.25
  4. Step 4: Simplify right side
    65,172.17x = 3,316,721,057.60
  5. Step 5: Solve for x
    x = 3,316,721,057.60/65,172.17
  6. Step 6: Final answer
    x = 50,891.68

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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.