Home / 99,713.44-137,604.98-54,392.41

Finding the Fourth Proportional to 99,713.44, 137,604.98 and 54,392.41

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Solution

The fourth proportional to 99,713.44, 137,604.98 and 54,392.41 is: 75,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.44 : 137,604.98 = 54,392.41 : x
  2. Step 2: Convert to fraction form
    99,713.44/137,604.98 = 54,392.41/x
  3. Step 3: Cross multiply
    99,713.44x = 137,604.98 × 54,392.41
  4. Step 4: Simplify right side
    99,713.44x = 7,484,666,490.20
  5. Step 5: Solve for x
    x = 7,484,666,490.20/99,713.44
  6. Step 6: Final answer
    x = 75,061.76

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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.