Home / 99,546.05-137,371.64-54,223.52

Finding the Fourth Proportional to 99,546.05, 137,371.64 and 54,223.52

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Solution

The fourth proportional to 99,546.05, 137,371.64 and 54,223.52 is: 74,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.05 : 137,371.64 = 54,223.52 : x
  2. Step 2: Convert to fraction form
    99,546.05/137,371.64 = 54,223.52/x
  3. Step 3: Cross multiply
    99,546.05x = 137,371.64 × 54,223.52
  4. Step 4: Simplify right side
    99,546.05x = 7,448,772,911.00
  5. Step 5: Solve for x
    x = 7,448,772,911.00/99,546.05
  6. Step 6: Final answer
    x = 74,827.41

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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.