Home / 99,927.49-137,898.28-54,604.48

Finding the Fourth Proportional to 99,927.49, 137,898.28 and 54,604.48

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Solution

The fourth proportional to 99,927.49, 137,898.28 and 54,604.48 is: 75,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,927.49 : 137,898.28 = 54,604.48 : x
  2. Step 2: Convert to fraction form
    99,927.49/137,898.28 = 54,604.48/x
  3. Step 3: Cross multiply
    99,927.49x = 137,898.28 × 54,604.48
  4. Step 4: Simplify right side
    99,927.49x = 7,529,863,872.29
  5. Step 5: Solve for x
    x = 7,529,863,872.29/99,927.49
  6. Step 6: Final answer
    x = 75,353.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.