Home / 78,745.47-118,186.44-41,331.96

Finding the Fourth Proportional to 78,745.47, 118,186.44 and 41,331.96

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Solution

The fourth proportional to 78,745.47, 118,186.44 and 41,331.96 is: 62,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,745.47 : 118,186.44 = 41,331.96 : x
  2. Step 2: Convert to fraction form
    78,745.47/118,186.44 = 41,331.96/x
  3. Step 3: Cross multiply
    78,745.47x = 118,186.44 × 41,331.96
  4. Step 4: Simplify right side
    78,745.47x = 4,884,877,210.62
  5. Step 5: Solve for x
    x = 4,884,877,210.62/78,745.47
  6. Step 6: Final answer
    x = 62,033.76

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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.