Home / 114,970.41-172,456.47-40,090.41

Finding the Fourth Proportional to 114,970.41, 172,456.47 and 40,090.41

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Solution

The fourth proportional to 114,970.41, 172,456.47 and 40,090.41 is: 60,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,970.41 : 172,456.47 = 40,090.41 : x
  2. Step 2: Convert to fraction form
    114,970.41/172,456.47 = 40,090.41/x
  3. Step 3: Cross multiply
    114,970.41x = 172,456.47 × 40,090.41
  4. Step 4: Simplify right side
    114,970.41x = 6,913,850,589.45
  5. Step 5: Solve for x
    x = 6,913,850,589.45/114,970.41
  6. Step 6: Final answer
    x = 60,135.91

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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.