Home / 99,477.11-137,273.94-54,153.93

Finding the Fourth Proportional to 99,477.11, 137,273.94 and 54,153.93

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Solution

The fourth proportional to 99,477.11, 137,273.94 and 54,153.93 is: 74,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,477.11 : 137,273.94 = 54,153.93 : x
  2. Step 2: Convert to fraction form
    99,477.11/137,273.94 = 54,153.93/x
  3. Step 3: Cross multiply
    99,477.11x = 137,273.94 × 54,153.93
  4. Step 4: Simplify right side
    99,477.11x = 7,433,923,852.36
  5. Step 5: Solve for x
    x = 7,433,923,852.36/99,477.11
  6. Step 6: Final answer
    x = 74,729.99

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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.