Home / 117,537.47-162,200.02-66,548.87

Finding the Fourth Proportional to 117,537.47, 162,200.02 and 66,548.87

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Solution

The fourth proportional to 117,537.47, 162,200.02 and 66,548.87 is: 91,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.47 : 162,200.02 = 66,548.87 : x
  2. Step 2: Convert to fraction form
    117,537.47/162,200.02 = 66,548.87/x
  3. Step 3: Cross multiply
    117,537.47x = 162,200.02 × 66,548.87
  4. Step 4: Simplify right side
    117,537.47x = 10,794,228,450.48
  5. Step 5: Solve for x
    x = 10,794,228,450.48/117,537.47
  6. Step 6: Final answer
    x = 91,836.49

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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.