Home / 61,719.47-85,172.87-33,425.16

Finding the Fourth Proportional to 61,719.47, 85,172.87 and 33,425.16

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Solution

The fourth proportional to 61,719.47, 85,172.87 and 33,425.16 is: 46,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.47 : 85,172.87 = 33,425.16 : x
  2. Step 2: Convert to fraction form
    61,719.47/85,172.87 = 33,425.16/x
  3. Step 3: Cross multiply
    61,719.47x = 85,172.87 × 33,425.16
  4. Step 4: Simplify right side
    61,719.47x = 2,846,916,383.56
  5. Step 5: Solve for x
    x = 2,846,916,383.56/61,719.47
  6. Step 6: Final answer
    x = 46,126.72

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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.