Home / 67,646.38-101,349.19-57,684.60

Finding the Fourth Proportional to 67,646.38, 101,349.19 and 57,684.60

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Solution

The fourth proportional to 67,646.38, 101,349.19 and 57,684.60 is: 86,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.38 : 101,349.19 = 57,684.60 : x
  2. Step 2: Convert to fraction form
    67,646.38/101,349.19 = 57,684.60/x
  3. Step 3: Cross multiply
    67,646.38x = 101,349.19 × 57,684.60
  4. Step 4: Simplify right side
    67,646.38x = 5,846,287,485.47
  5. Step 5: Solve for x
    x = 5,846,287,485.47/67,646.38
  6. Step 6: Final answer
    x = 86,424.25

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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.