Home / 91,362.54-137,058.58-28,167.88

Finding the Fourth Proportional to 91,362.54, 137,058.58 and 28,167.88

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Solution

The fourth proportional to 91,362.54, 137,058.58 and 28,167.88 is: 42,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,362.54 : 137,058.58 = 28,167.88 : x
  2. Step 2: Convert to fraction form
    91,362.54/137,058.58 = 28,167.88/x
  3. Step 3: Cross multiply
    91,362.54x = 137,058.58 × 28,167.88
  4. Step 4: Simplify right side
    91,362.54x = 3,860,649,634.41
  5. Step 5: Solve for x
    x = 3,860,649,634.41/91,362.54
  6. Step 6: Final answer
    x = 42,256.37

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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.