Home / 54,401.40-81,602.10-49,152.60

Finding the Fourth Proportional to 54,401.40, 81,602.10 and 49,152.60

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Solution

The fourth proportional to 54,401.40, 81,602.10 and 49,152.60 is: 73,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.40 : 81,602.10 = 49,152.60 : x
  2. Step 2: Convert to fraction form
    54,401.40/81,602.10 = 49,152.60/x
  3. Step 3: Cross multiply
    54,401.40x = 81,602.10 × 49,152.60
  4. Step 4: Simplify right side
    54,401.40x = 4,010,955,380.46
  5. Step 5: Solve for x
    x = 4,010,955,380.46/54,401.40
  6. Step 6: Final answer
    x = 73,728.90

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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.