Home / 99,544.37-137,369.16-54,223.16

Finding the Fourth Proportional to 99,544.37, 137,369.16 and 54,223.16

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Solution

The fourth proportional to 99,544.37, 137,369.16 and 54,223.16 is: 74,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,544.37 : 137,369.16 = 54,223.16 : x
  2. Step 2: Convert to fraction form
    99,544.37/137,369.16 = 54,223.16/x
  3. Step 3: Cross multiply
    99,544.37x = 137,369.16 × 54,223.16
  4. Step 4: Simplify right side
    99,544.37x = 7,448,589,254.90
  5. Step 5: Solve for x
    x = 7,448,589,254.90/99,544.37
  6. Step 6: Final answer
    x = 74,826.83

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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.