Home / 92,541.46-138,811.72-22,420.78

Finding the Fourth Proportional to 92,541.46, 138,811.72 and 22,420.78

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Solution

The fourth proportional to 92,541.46, 138,811.72 and 22,420.78 is: 33,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.46 : 138,811.72 = 22,420.78 : x
  2. Step 2: Convert to fraction form
    92,541.46/138,811.72 = 22,420.78/x
  3. Step 3: Cross multiply
    92,541.46x = 138,811.72 × 22,420.78
  4. Step 4: Simplify right side
    92,541.46x = 3,112,267,035.54
  5. Step 5: Solve for x
    x = 3,112,267,035.54/92,541.46
  6. Step 6: Final answer
    x = 33,631.06

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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.